diff --git a/datastore/leveldb/leveldbds.nim b/datastore/leveldb/leveldbds.nim
index d54bc47..30e30f6 100644
--- a/datastore/leveldb/leveldbds.nim
+++ b/datastore/leveldb/leveldbds.nim
@@ -80,7 +80,7 @@ proc getQueryString(query: Query): string =
   let toTrim = ["/*", "\\*"]
   for trim in toTrim:
     if result.endswith(trim):
-      result = result.replace(trim, "")
+      result = result[0 ..< ^(trim.len)]
 
 method query*(
   self: LevelDbDatastore,