diff --git a/host/main.cpp b/host/main.cpp
--- a/host/main.cpp
+++ b/host/main.cpp
@@ -56,8 +56,6 @@
 
 int main(int argc, char *argv[])
 {
-    qInstallMessageHandler(msgHandler);
-
     // otherwise when logging out, session manager will ask the host to quit
     // (it's a "regular X app" after all) and then the browser will complain
     qunsetenv("SESSION_MANAGER");
@@ -67,6 +65,8 @@
     a.setQuitOnLastWindowClosed(false);
     // applicationName etc will be set in Settings once the browser identifies to us
 
+    qInstallMessageHandler(msgHandler);
+
     // NOTE if you add a new plugin here, make sure to adjust the
     // "DEFAULT_EXTENSION_SETTINGS" in constants.js or else it won't
     // even bother loading your shiny new plugin!