diff --git a/rust_compiler/libs/compiler/src/test/binary_expression.rs b/rust_compiler/libs/compiler/src/test/binary_expression.rs
index 4ac0754..e4bef54 100644
--- a/rust_compiler/libs/compiler/src/test/binary_expression.rs
+++ b/rust_compiler/libs/compiler/src/test/binary_expression.rs
@@ -52,8 +52,8 @@ fn nested_binary_expressions() -> Result<()> {
             add r1 r10 r9
             mul r2 r1 r8
             move r15 r2
-            j L1
-            L1:
+            j __internal_L1
+            __internal_L1:
             sub r0 sp 1
             get ra db r0
             sub sp sp 1
diff --git a/rust_compiler/libs/compiler/src/test/branching.rs b/rust_compiler/libs/compiler/src/test/branching.rs
index 155c535..92f876b 100644
--- a/rust_compiler/libs/compiler/src/test/branching.rs
+++ b/rust_compiler/libs/compiler/src/test/branching.rs
@@ -22,9 +22,9 @@ fn test_if_statement() -> anyhow::Result<()> {
             main:
             move r8 10
             sgt r1 r8 5
-            beqz r1 L1
+            beqz r1 __internal_L1
             move r8 20
-            L1:
+            __internal_L1:
             "
         }
     );
@@ -54,12 +54,12 @@ fn test_if_else_statement() -> anyhow::Result<()> {
             main:
             move r8 0
             sgt r1 10 5
-            beqz r1 L2
+            beqz r1 __internal_L2
             move r8 1
-            j L1
-            L2:
+            j __internal_L1
+            __internal_L2:
             move r8 2
-            L1:
+            __internal_L1:
             "
         }
     );
@@ -91,18 +91,18 @@ fn test_if_else_if_statement() -> anyhow::Result<()> {
             main:
             move r8 0
             seq r1 r8 1
-            beqz r1 L2
+            beqz r1 __internal_L2
             move r8 10
-            j L1
-            L2:
+            j __internal_L1
+            __internal_L2:
             seq r2 r8 2
-            beqz r2 L4
+            beqz r2 __internal_L4
             move r8 20
-            j L3
-            L4:
+            j __internal_L3
+            __internal_L4:
             move r8 30
-            L3:
-            L1:
+            __internal_L3:
+            __internal_L1:
             "
         }
     );
@@ -145,10 +145,10 @@ fn test_spilled_variable_update_in_branch() -> anyhow::Result<()> {
             move r14 7
             push 8
             seq r1 r8 1
-            beqz r1 L1
+            beqz r1 __internal_L1
             sub r0 sp 1
             put db r0 99
-            L1:
+            __internal_L1:
             sub sp sp 1
             "
         }
diff --git a/rust_compiler/libs/compiler/src/test/declaration_function_invocation.rs b/rust_compiler/libs/compiler/src/test/declaration_function_invocation.rs
index dbdfaca..e4e8fa7 100644
--- a/rust_compiler/libs/compiler/src/test/declaration_function_invocation.rs
+++ b/rust_compiler/libs/compiler/src/test/declaration_function_invocation.rs
@@ -17,7 +17,7 @@ fn no_arguments() -> anyhow::Result<()> {
         j main
         doSomething:
         push ra
-        L1:
+        __internal_L1:
         sub r0 sp 1
         get ra db r0
         sub sp sp 1
@@ -59,14 +59,14 @@ fn let_var_args() -> anyhow::Result<()> {
             push ra
             mul r1 r8 2
             move r15 r1
-            j L1
-            L1:
+            j __internal_L1
+            __internal_L1:
             sub r0 sp 1
             get ra db r0
             sub sp sp 1
             j ra
             main:
-            L2:
+            __internal_L2:
             move r8 123
             push r8
             push r8
@@ -77,8 +77,8 @@ fn let_var_args() -> anyhow::Result<()> {
             move r9 r15
             pow r1 r9 2
             move r9 r1
-            j L2
-            L3:
+            j __internal_L2
+            __internal_L3:
             "
         }
     );
@@ -127,8 +127,8 @@ fn inline_literal_args() -> anyhow::Result<()> {
             pop r9
             push ra
             move r15 5
-            j L1
-            L1:
+            j __internal_L1
+            __internal_L1:
             sub r0 sp 1
             get ra db r0
             sub sp sp 1
@@ -170,7 +170,7 @@ fn mixed_args() -> anyhow::Result<()> {
             pop r8
             pop r9
             push ra
-            L1:
+            __internal_L1:
             sub r0 sp 1
             get ra db r0
             sub sp sp 1
@@ -214,8 +214,8 @@ fn with_return_statement() -> anyhow::Result<()> {
             pop r8
             push ra
             move r15 456
-            j L1
-            L1:
+            j __internal_L1
+            __internal_L1:
             sub r0 sp 1
             get ra db r0
             sub sp sp 1
@@ -251,7 +251,7 @@ fn with_negative_return_literal() -> anyhow::Result<()> {
             doSomething:
             push ra
             move r15 -1
-            L1:
+            __internal_L1:
             sub r0 sp 1
             get ra db r0
             sub sp sp 1
diff --git a/rust_compiler/libs/compiler/src/test/declaration_literal.rs b/rust_compiler/libs/compiler/src/test/declaration_literal.rs
index 550e332..58927c4 100644
--- a/rust_compiler/libs/compiler/src/test/declaration_literal.rs
+++ b/rust_compiler/libs/compiler/src/test/declaration_literal.rs
@@ -133,8 +133,8 @@ fn test_boolean_return() -> anyhow::Result<()> {
             getTrue:
             push ra
             move r15 1
-            j L1
-            L1:
+            j __internal_L1
+            __internal_L1:
             sub r0 sp 1
             get ra db r0
             sub sp sp 1
diff --git a/rust_compiler/libs/compiler/src/test/function_declaration.rs b/rust_compiler/libs/compiler/src/test/function_declaration.rs
index 18f5b84..2c909f6 100644
--- a/rust_compiler/libs/compiler/src/test/function_declaration.rs
+++ b/rust_compiler/libs/compiler/src/test/function_declaration.rs
@@ -21,7 +21,7 @@ fn test_function_declaration_with_spillover_params() -> anyhow::Result<()> {
             pop r13
             pop r14
             push ra
-            L1:
+            __internal_L1:
             sub r0 sp 1
             get ra db r0
             sub sp sp 3
@@ -54,12 +54,12 @@ fn test_early_return() -> anyhow::Result<()> {
             doSomething:
             push ra
             seq r1 1 1
-            beqz r1 L2
-            j L1
-            L2:
+            beqz r1 __internal_L2
+            j __internal_L1
+            __internal_L2:
             move r8 3
-            j L1
-            L1:
+            j __internal_L1
+            __internal_L1:
             sub r0 sp 1
             get ra db r0
             sub sp sp 1
@@ -90,7 +90,7 @@ fn test_function_declaration_with_register_params() -> anyhow::Result<()> {
             pop r8
             pop r9
             push ra
-            L1:
+            __internal_L1:
             sub r0 sp 1
             get ra db r0
             sub sp sp 1
diff --git a/rust_compiler/libs/compiler/src/test/loops.rs b/rust_compiler/libs/compiler/src/test/loops.rs
index 83745f0..b803354 100644
--- a/rust_compiler/libs/compiler/src/test/loops.rs
+++ b/rust_compiler/libs/compiler/src/test/loops.rs
@@ -14,7 +14,7 @@ fn test_infinite_loop() -> anyhow::Result<()> {
         "
     };
 
-    // Labels: L1 (start), L2 (end)
+    // __internal_Labels: L1 (start), L2 (end)
     assert_eq!(
         compiled,
         indoc! {
@@ -22,11 +22,11 @@ fn test_infinite_loop() -> anyhow::Result<()> {
             j main
             main:
             move r8 0
-            L1:
+            __internal_L1:
             add r1 r8 1
             move r8 r1
-            j L1
-            L2:
+            j __internal_L1
+            __internal_L2:
             "
         }
     );
@@ -49,7 +49,7 @@ fn test_loop_break() -> anyhow::Result<()> {
         "
     };
 
-    // Labels: L1 (start), L2 (end), L3 (if end - implicit else label)
+    // __internal_Labels: L1 (start), L2 (end), L3 (if end - implicit else label)
     assert_eq!(
         compiled,
         indoc! {
@@ -57,15 +57,15 @@ fn test_loop_break() -> anyhow::Result<()> {
             j main
             main:
             move r8 0
-            L1:
+            __internal_L1:
             add r1 r8 1
             move r8 r1
             sgt r2 r8 10
-            beqz r2 L3
-            j L2
-            L3:
-            j L1
-            L2:
+            beqz r2 __internal_L3
+            j __internal_L2
+            __internal_L3:
+            j __internal_L1
+            __internal_L2:
             "
         }
     );
@@ -85,7 +85,7 @@ fn test_while_loop() -> anyhow::Result<()> {
         "
     };
 
-    // Labels: L1 (start), L2 (end)
+    // __internal_Labels: L1 (start), L2 (end)
     assert_eq!(
         compiled,
         indoc! {
@@ -93,13 +93,13 @@ fn test_while_loop() -> anyhow::Result<()> {
             j main
             main:
             move r8 0
-            L1:
+            __internal_L1:
             slt r1 r8 10
-            beqz r1 L2
+            beqz r1 __internal_L2
             add r2 r8 1
             move r8 r2
-            j L1
-            L2:
+            j __internal_L1
+            __internal_L2:
             "
         }
     );
@@ -123,7 +123,7 @@ fn test_loop_continue() -> anyhow::Result<()> {
         "#
     };
 
-    // Labels: L1 (start), L2 (end), L3 (if end)
+    // __internal_Labels: L1 (start), L2 (end), L3 (if end)
     assert_eq!(
         compiled,
         indoc! {
@@ -131,16 +131,16 @@ fn test_loop_continue() -> anyhow::Result<()> {
             j main
             main:
             move r8 0
-            L1:
+            __internal_L1:
             add r1 r8 1
             move r8 r1
             slt r2 r8 5
-            beqz r2 L3
-            j L1
-            L3:
-            j L2
-            j L1
-            L2:
+            beqz r2 __internal_L3
+            j __internal_L1
+            __internal_L3:
+            j __internal_L2
+            j __internal_L1
+            __internal_L2:
             "
         }
     );