diff --git a/beacon/beacon.cna b/beacon/beacon.cna
index ceaa16b..5c5b72a 100644
--- a/beacon/beacon.cna
+++ b/beacon/beacon.cna
@@ -59,7 +59,7 @@ on heartbeat_5s {
 
         if ($internal ne ""){
             # if the beacon already isn't in our internal list, add it
-            if ($internal !in @beaconHosts){
+            if ($internal !in %beaconHosts){
                 %beaconHosts[$internal] = %beacon["id"];
             }
         }
@@ -122,4 +122,4 @@ popup host_bottom {
 
         }
     }
-}
\ No newline at end of file
+}