diff --git a/modules/system.py b/modules/system.py
index 6d9c22b..3f5b8f7 100644
--- a/modules/system.py
+++ b/modules/system.py
@@ -639,9 +639,9 @@ def handleMultiPing(nodeID=0, deviceID=1):
 
 
 def handleWxBroadcast(deviceID=1):
-    # only allow API call every 30 minutes
+    # only allow API call every 15 minutes
     clock = datetime.now()
-    if clock.minute % 30 != 0:
+    if clock.minute % 15 == 0:
         return False
     
     # check for alerts