diff --git a/kdesudo/kaskpass.cpp b/kdesudo/kaskpass.cpp
index 13a7d9c2..bf7e17d7 100644
--- a/kdesudo/kaskpass.cpp
+++ b/kdesudo/kaskpass.cpp
@@ -24,6 +24,7 @@
 #include <kaboutdata.h>
 #include <kpassworddialog.h>
 #include <kwindowsystem.h>
+#include <kstartupinfo.h>
 
 #include <stdio.h>
 
@@ -98,6 +99,9 @@ int main(int argc, char **argv)
         dialog.setPrompt(kLocalString(prompt));
     }
 
+    // finish startup before showing the dialog
+    KStartupInfo::appStarted();
+
     const int result = dialog.exec();
     if (result == QDialog::Accepted) {
         const QByteArray pass = kLocalBytes(dialog.password());