diff --git a/src/thread.h b/src/thread.h
index 01cc1cc..123a376 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -210,7 +210,7 @@
   Object* (*pGetObjStatic)(uint32_t, const Method*);
   void (*pSetObjStatic)(uint32_t, const Method*, Object*);
   void (*pCanPutArrayElementFromCode)(void*, void*);
-  bool (*pInstanceofNonTrivialFromCode) (const Object*, const Class*);
+  uint32_t (*pInstanceofNonTrivialFromCode) (const Object*, const Class*);
   void (*pCheckCastFromCode) (void*, void*);
   Method* (*pFindInterfaceMethodInCache)(Class*, uint32_t, const Method*, struct DvmDex*);
   void (*pUnlockObjectFromCode)(void*, void*);