diff --git a/web/ha2.json b/web/ha2.json
index 9ffcdaf5..06ab3f26 100644
--- a/web/ha2.json
+++ b/web/ha2.json
@@ -3,5 +3,5 @@
     "tPO" : %.2f,
     "tQI" : %.2f,
     "tQO" : %.2f,
-    "rtc" : %llu
+    "rtc" : %lu
 }