Index: core/polkitqt1-authority.cpp
===================================================================
--- core/polkitqt1-authority.cpp	(revision 1183413)
+++ core/polkitqt1-authority.cpp	(working copy)
@@ -177,12 +177,17 @@
     m_revokeTemporaryAuthorizationsCancellable = g_cancellable_new();
     m_revokeTemporaryAuthorizationCancellable = g_cancellable_new();
 
+    GError *gerror = NULL;
     if (pkAuthority == NULL) {
-        pkAuthority = polkit_authority_get();
+        pkAuthority = polkit_authority_get_sync(NULL, &gerror);
+        if (gerror != NULL) {
+            setError(E_GetAuthority, gerror->message);
+            g_error_free(gerror);
+            return;
+        }
     }
 
     if (pkAuthority == NULL) {
-        (E_GetAuthority);
         return;
     }
 
Index: agent/polkitqt1-agent-listener.cpp
===================================================================
--- agent/polkitqt1-agent-listener.cpp	(revision 1183413)
+++ agent/polkitqt1-agent-listener.cpp	(working copy)
@@ -73,9 +73,11 @@
 {
     GError *error = NULL;
 
-    bool r = polkit_agent_register_listener(d->listener,
+    bool r = polkit_agent_listener_register(d->listener,
+                                            POLKIT_AGENT_REGISTER_FLAGS_NONE,
                                             subject->subject(),
                                             objectPath.toAscii().data(),
+                                            NULL,
                                             &error);
     if (error != NULL) {
         qWarning() << QString("Cannot register authentication agent: %1").arg(error->message);