diff -Nru dbus-cpp-5.0.0+15.10.20151021.1/debian/changelog dbus-cpp-5.0.0+15.10.20151022.1/debian/changelog
--- dbus-cpp-5.0.0+15.10.20151021.1/debian/changelog	2015-10-22 14:10:16.000000000 +0000
+++ dbus-cpp-5.0.0+15.10.20151022.1/debian/changelog	2015-10-22 14:10:16.000000000 +0000
@@ -1,3 +1,9 @@
+dbus-cpp (5.0.0+15.10.20151022.1-0ubuntu1) wily; urgency=medium
+
+  * Fix signal emission on dbus::ServiceWatcher.
+
+ -- Thomas Voß <ci-train-bot@canonical.com>  Thu, 22 Oct 2015 07:17:01 +0000
+
 dbus-cpp (5.0.0+15.10.20151021.1-0ubuntu1) wily; urgency=medium
 
   [ CI Train Bot ]
diff -Nru dbus-cpp-5.0.0+15.10.20151021.1/src/core/dbus/message.cpp dbus-cpp-5.0.0+15.10.20151022.1/src/core/dbus/message.cpp
--- dbus-cpp-5.0.0+15.10.20151021.1/src/core/dbus/message.cpp	2015-10-21 08:00:42.000000000 +0000
+++ dbus-cpp-5.0.0+15.10.20151022.1/src/core/dbus/message.cpp	2015-10-22 07:16:58.000000000 +0000
@@ -298,7 +298,7 @@
 
 void Message::Writer::push_boolean(bool value)
 {
-    dbus_bool_t bool_value = value ? TRUE : FALSE;
+    auto bool_value = value ? TRUE : FALSE;
 
     if (!dbus_message_iter_append_basic(
                 std::addressof(d->iter),
diff -Nru dbus-cpp-5.0.0+15.10.20151021.1/src/core/dbus/service_watcher.cpp dbus-cpp-5.0.0+15.10.20151022.1/src/core/dbus/service_watcher.cpp
--- dbus-cpp-5.0.0+15.10.20151021.1/src/core/dbus/service_watcher.cpp	2015-10-21 08:00:42.000000000 +0000
+++ dbus-cpp-5.0.0+15.10.20151022.1/src/core/dbus/service_watcher.cpp	2015-10-22 07:16:58.000000000 +0000
@@ -48,16 +48,18 @@
         const std::string& old_owner(std::get<1>(args));
         const std::string& new_owner(std::get<2>(args));
 
-        owner_changed(old_owner, new_owner);
 
-        if (new_owner.empty())
+        if (old_owner.empty() && !new_owner.empty())
         {
-            service_unregistered();
+            service_registered();
         }
-        else
+
+        if (!old_owner.empty() && new_owner.empty())
         {
-            service_registered();
+            service_unregistered();
         }
+
+        owner_changed(old_owner, new_owner);
     }
 
     core::Signal<std::string, std::string> owner_changed;