diff --git a/redisearch/query.go b/redisearch/query.go
index 816b7fc..611128c 100644
--- a/redisearch/query.go
+++ b/redisearch/query.go
@@ -259,7 +259,7 @@ func appendNumArgs(num float64, exclude bool, args redis.Args) redis.Args {
 	}
 
 	if exclude {
-		return append(args, fmt.Sprint("(", num))
+		return append(args, fmt.Sprintf("(%v", num))
 	}
 	return append(args, num)
 }