diff --git a/ksmserver/screenlocker/greeter/main.cpp b/ksmserver/screenlocker/greeter/main.cpp
index 4b575ee39..44ea2552f 100644
--- a/ksmserver/screenlocker/greeter/main.cpp
+++ b/ksmserver/screenlocker/greeter/main.cpp
@@ -98,7 +98,7 @@ int main(int argc, char* argv[])
     struct sigaction sa;
     sa.sa_handler = signalHandler;
     sigemptyset(&sa.sa_mask);
-    sa.sa_flags = 0;
+    sa.sa_flags = SA_RESTART;
     sigaction(SIGTERM, &sa, nullptr);
     sigaction(SIGUSR1, &sa, nullptr);
     return app.exec();