diff --git a/occ_presence.cpp b/occ_presence.cpp
index f91521a..23fece0 100644
--- a/occ_presence.cpp
+++ b/occ_presence.cpp
@@ -48,7 +48,7 @@
                          entry("OCC_OCCS=%d", occsPresent)));
         if (callBack)
         {
-            callBack();
+            callBack(true);
         }
     }
 }