diff --git a/src/core/state.c b/src/core/state.c
index e2423936..8d5e2556 100644
--- a/src/core/state.c
+++ b/src/core/state.c
@@ -62,18 +62,10 @@ void janet_vm_load(JanetVM *from) {
  * use NULL to interrupt the current VM when convenient */
 void janet_interpreter_interrupt(JanetVM *vm) {
     vm = vm ? vm : &janet_vm;
-#ifdef JANET_WINDOWS
-    InterlockedIncrement(&vm->auto_suspend);
-#else
-    __atomic_add_fetch(&vm->auto_suspend, 1, __ATOMIC_RELAXED);
-#endif
+    janet_atomic_inc(&vm->auto_suspend);
 }
 
 void janet_interpreter_interrupt_handled(JanetVM *vm) {
     vm = vm ? vm : &janet_vm;
-#ifdef JANET_WINDOWS
-    InterlockedDecrement(&vm->auto_suspend);
-#else
-    __atomic_add_fetch(&vm->auto_suspend, -1, __ATOMIC_RELAXED);
-#endif
+    janet_atomic_dec(&vm->auto_suspend);
 }
diff --git a/src/core/state.h b/src/core/state.h
index 1c64496d..12ea13a6 100644
--- a/src/core/state.h
+++ b/src/core/state.h
@@ -89,7 +89,7 @@ struct JanetVM {
 
     /* If this flag is true, suspend on function calls and backwards jumps.
      * When this occurs, this flag will be reset to 0. */
-    volatile int32_t auto_suspend;
+    volatile JanetAtomicInt auto_suspend;
 
     /* The current running fiber on the current thread.
      * Set and unset by functions in vm.c */