diff --git a/gui/griffon-app/models/com/muwire/gui/MainFrameModel.groovy b/gui/griffon-app/models/com/muwire/gui/MainFrameModel.groovy
index 4755a911..445dd2aa 100644
--- a/gui/griffon-app/models/com/muwire/gui/MainFrameModel.groovy
+++ b/gui/griffon-app/models/com/muwire/gui/MainFrameModel.groovy
@@ -499,6 +499,8 @@ class MainFrameModel {
     }
 
     void onRouterDisconnectedEvent(RouterDisconnectedEvent e) {
+        if (core.getShutdown().get())
+            return
         runInsideUIAsync {
             JOptionPane.showMessageDialog(null, "MuWire lost connection to the I2P router and will now exit.",
                 "Connection to I2P router lost", JOptionPane.WARNING_MESSAGE)