diff --git a/src/plugins/platforms/wayland/qwaylanddisplay.cpp b/src/plugins/platforms/wayland/qwaylanddisplay.cpp
index 2d1c81a750d..dbb8e12dd07 100644
--- a/src/plugins/platforms/wayland/qwaylanddisplay.cpp
+++ b/src/plugins/platforms/wayland/qwaylanddisplay.cpp
@@ -201,6 +201,8 @@ void QWaylandDisplay::blockingReadEvents()
 
 void QWaylandDisplay::exitWithError()
 {
+    mEventThread->quit();
+    mEventThread->wait();
     ::exit(1);
 }