diff --git a/core/reference.h b/core/reference.h
index 4e2d6c36c00..90f2791f4bf 100644
--- a/core/reference.h
+++ b/core/reference.h
@@ -330,7 +330,7 @@ struct PtrToArg<Ref<T> > {
 
 	_FORCE_INLINE_ static Ref<T> convert(const void *p_ptr) {
 
-		return Ref<T>(reinterpret_cast<const T *>(p_ptr));
+		return Ref<T>(const_cast<T *>(reinterpret_cast<const T *>(p_ptr)));
 	}
 
 	_FORCE_INLINE_ static void encode(Ref<T> p_val, const void *p_ptr) {
@@ -355,7 +355,7 @@ struct PtrToArg<RefPtr> {
 
 	_FORCE_INLINE_ static RefPtr convert(const void *p_ptr) {
 
-		return Ref<Reference>(reinterpret_cast<const Reference *>(p_ptr)).get_ref_ptr();
+		return Ref<Reference>(const_cast<Reference *>(reinterpret_cast<const Reference *>(p_ptr))).get_ref_ptr();
 	}
 
 	_FORCE_INLINE_ static void encode(RefPtr p_val, const void *p_ptr) {
@@ -370,7 +370,7 @@ struct PtrToArg<const RefPtr &> {
 
 	_FORCE_INLINE_ static RefPtr convert(const void *p_ptr) {
 
-		return Ref<Reference>(reinterpret_cast<const Reference *>(p_ptr)).get_ref_ptr();
+		return Ref<Reference>(const_cast<Reference *>(reinterpret_cast<const Reference *>(p_ptr))).get_ref_ptr();
 	}
 };