diff --git a/dll/win32/rpcrt4/ndr_stubless.c b/dll/win32/rpcrt4/ndr_stubless.c
index cc52ee27e8..c43e3f470b 100644
--- a/dll/win32/rpcrt4/ndr_stubless.c
+++ b/dll/win32/rpcrt4/ndr_stubless.c
@@ -402,6 +402,11 @@ static void client_free_handle(
                     pArg = ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
                 memcpy(&pObject, pArg, pDesc->flag_and_size & 0xf);
                 pGenPair = &pStubMsg->StubDesc->aGenericBindingRoutinePairs[pDesc->binding_routine_pair_index];
+#ifdef __REACTOS__
+                if (hBinding) pGenPair->pfnUnbind(pObject, hBinding);
+#else
+                pGenPair->pfnUnbind(pObject, hBinding);
+#endif
                 pGenPair->pfnUnbind(pObject, hBinding);
                 break;
             }