diff --git a/plugins/inputs/sqlserver/sqlserver.go b/plugins/inputs/sqlserver/sqlserver.go
index 15e1f3e35..e428d3098 100644
--- a/plugins/inputs/sqlserver/sqlserver.go
+++ b/plugins/inputs/sqlserver/sqlserver.go
@@ -1139,7 +1139,7 @@ DECLARE @w4 TABLE
 )
 DECLARE @w5 TABLE
 (
-	WaitCategory nvarchar(16) NOT NULL,
+	WaitCategory nvarchar(64) NOT NULL,
 	WaitTimeInMs bigint NOT NULL,
 	WaitTaskCount bigint NOT NULL
 )