diff --git a/src/components/FusionSettings/GridSettings.vue b/src/components/FusionSettings/GridSettings.vue
index a6fed78..5fe5153 100644
--- a/src/components/FusionSettings/GridSettings.vue
+++ b/src/components/FusionSettings/GridSettings.vue
@@ -136,8 +136,8 @@ export default defineComponent({
     }
     const use_server_config = () => {
       let server_conf = JSON.parse($store.state.fusion_configuration).options
-      model[0] = Number(server_conf.blending_grids_row)
-      model[1] = Number(server_conf.blending_grids_column)
+      model[0] = server_conf.blending_grids_row ? Number(server_conf.blending_grids_row) : 20;
+      model[1] = server_conf.blending_grids_column ? Number(server_conf.blending_grids_column) : 40;
       color[0] = server_conf.blending_grids_line_color
 
       RowsColumns[0] = server_conf.blending_grids_show_row === "false" ? false : true