diff --git a/control/json/triggers/init.cpp b/control/json/triggers/init.cpp
index 183caea..7c4af4e 100644
--- a/control/json/triggers/init.cpp
+++ b/control/json/triggers/init.cpp
@@ -53,6 +53,16 @@
                 // Property not in cache, attempt to add it
                 mgr->addObjects(member, group.getInterface(),
                                 group.getProperty());
+
+                // If the service was predefined for the group, then we know
+                // all members are in the same service so the above addObjects
+                // call would have already added every present member in the
+                // group (assuming the service has an ObjectManager iface
+                // which it should). So no need to continue.
+                if (!group.getService().empty())
+                {
+                    break;
+                }
             }
         }
         catch (const util::DBusMethodError& dme)