diff --git a/src/apps/deskflow-gui/MainWindow.cpp b/src/apps/deskflow-gui/MainWindow.cpp
index b7d5a3e00..4be96c2b2 100644
--- a/src/apps/deskflow-gui/MainWindow.cpp
+++ b/src/apps/deskflow-gui/MainWindow.cpp
@@ -353,7 +353,7 @@ void MainWindow::configScopesSaving()
 
 void MainWindow::appConfigTlsChanged()
 {
-  if (m_tlsUtility.isEnabled()) {
+  if (m_tlsUtility.isEnabled() && !QFile::exists(m_appConfig.tlsCertPath())) {
     m_tlsUtility.generateCertificate();
   }
 }