diff --git a/web/src/components/dashboards/VariablesValueSelector.vue b/web/src/components/dashboards/VariablesValueSelector.vue
index 6b5f6bb148..b487756eca 100644
--- a/web/src/components/dashboards/VariablesValueSelector.vue
+++ b/web/src/components/dashboards/VariablesValueSelector.vue
@@ -1459,7 +1459,7 @@ export default defineComponent({
       let dummyQuery: string;
 
       if (searchText) {
-        dummyQuery = `SELECT ${timestamp_column} FROM '${variableObject.query_data.stream}' WHERE str_match(${variableObject.query_data.field}, ${escapeSingleQuotes(searchText.trim())})`;
+        dummyQuery = `SELECT ${timestamp_column} FROM '${variableObject.query_data.stream}' WHERE str_match(${variableObject.query_data.field}, '${escapeSingleQuotes(searchText.trim())}')`;
       } else {
         dummyQuery = `SELECT ${timestamp_column} FROM '${variableObject.query_data.stream}'`;
       }