1 files changed, 7 insertions, 4 deletions
diff --git a/src/nvim/ui.c b/src/nvim/ui.c
index 24557c5d0b..74814bf0ae 100644
--- a/src/nvim/ui.c
+++ b/src/nvim/ui.c
@@ -440,13 +440,16 @@ Array ui_array(void)
   return all_uis;
 }
 
-void ui_grid_resize(GridHandle grid_handle, int width, int height)
+void ui_grid_resize(GridHandle grid_handle, int width, int height, Error *error)
 {
-  win_T *wp = get_win_by_grid_handle(grid_handle);
+  if (grid_handle == DEFAULT_GRID_HANDLE) {
+    screen_resize(width, height);
+    return;
+  }
 
+  win_T *wp = get_win_by_grid_handle(grid_handle);
   if (wp == NULL) {
-    //TODO(utkarshme): error out
-    abort();
+    api_set_error(error, kErrorTypeValidation, "No window with the given handle");
     return;
   }