diff --git a/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts b/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts
index 11d6f09dc..c74e8a077 100644
--- a/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts
+++ b/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts
@@ -121,7 +121,7 @@ export class GfSymbolAutocompleteComponent
     this.control.valueChanges
       .pipe(
         filter((query) => {
-          if (query.length === 0) {
+          if (query?.length === 0) {
             this.showDefaultOptions();
 
             return false;