1 files changed, 3 insertions, 0 deletions
diff --git a/src/nvim/lua/stdlib.c b/src/nvim/lua/stdlib.c
index 4f9677650f..8f1b5c7b86 100644
--- a/src/nvim/lua/stdlib.c
+++ b/src/nvim/lua/stdlib.c
@@ -359,6 +359,9 @@ int nlua_setvar(lua_State *lstate)
   Error err = ERROR_INIT;
   dictitem_T *di = dict_check_writable(dict, key, del, &err);
   if (ERROR_SET(&err)) {
+    nlua_push_errstr(lstate, "%s", err.msg);
+    api_clear_error(&err);
+    lua_error(lstate);
     return 0;
   }