diff --git a/lib/clickhouse.js b/lib/clickhouse.js
index 41b1df5a..3d44daac 100644
--- a/lib/clickhouse.js
+++ b/lib/clickhouse.js
@@ -80,7 +80,7 @@ function getEventDataColumnsQuery(column, columns) {
       return arr;
     }
 
-    arr.push(`${filter}(${getJsonField(column, key)}) as ${key}_${filter}`);
+    arr.push(`${filter}(${getJsonField(column, key)}) as "${filter}(${key})"`);
 
     return arr;
   }, []);