diff --git a/src/VM/VM.c b/src/VM/VM.c
index 96763f2..0f7e313 100644
--- a/src/VM/VM.c
+++ b/src/VM/VM.c
@@ -72,7 +72,7 @@ i32 VM_boot(VM* vm){
     }
 
     // exit code of the program should be in ax register
-    return vm->ax.i32v;
+    return vm->registers.a.u32v0;
 }
 
 bool VM_dataRead(VM* vm, void* dst, size_t pos, size_t size){