diff --git a/src/vm/wren_vm.c b/src/vm/wren_vm.c
index 96405189..984b2cc4 100644
--- a/src/vm/wren_vm.c
+++ b/src/vm/wren_vm.c
@@ -1018,6 +1018,7 @@ static WrenInterpretResult runInterpreter(WrenVM* vm, register ObjFiber* fiber)
         case METHOD_FUNCTION_CALL: 
           STORE_FRAME();
           method->as.primitive(vm, args);
+          if (wrenHasError(fiber)) RUNTIME_ERROR();
           LOAD_FRAME();
           break;