diff --git a/src/tsm/tsmq/tsmq.go b/src/tsm/tsmq/tsmq.go
index 8e7d8ac..02b1e68 100644
--- a/src/tsm/tsmq/tsmq.go
+++ b/src/tsm/tsmq/tsmq.go
@@ -60,7 +60,7 @@ func Start() {
       message.Variables["stratum"] = variable_t {
         Label: "stratum",
         Variable: "",
-        Value: strconv.FormatInt(stratum, 10),
+        Value: strconv.FormatInt(int64(stratum), 10),
         Unit: "ms",
         Status: status,
       }