diff --git a/src/coreclr/nativeaot/Runtime/RestrictedCallouts.h b/src/coreclr/nativeaot/Runtime/RestrictedCallouts.h
index 2c1a2e61e0951b..cf0295db456038 100644
--- a/src/coreclr/nativeaot/Runtime/RestrictedCallouts.h
+++ b/src/coreclr/nativeaot/Runtime/RestrictedCallouts.h
@@ -97,6 +97,6 @@ class RestrictedCallouts
     static CrstStatic s_sLock;
 
     // Prototypes for the callouts.
-    typedef void (F_CALL_CONV * GcRestrictedCallbackFunction)(uint32_t uiCondemnedGeneration);
+    typedef void (* GcRestrictedCallbackFunction)(uint32_t uiCondemnedGeneration);
     typedef CLR_BOOL (* HandleTableRestrictedCallbackFunction)(Object * pObject);
 };