diff --git a/qt-gui.cpp b/qt-gui.cpp
index 2f3e66bea..70aef1817 100644
--- a/qt-gui.cpp
+++ b/qt-gui.cpp
@@ -189,6 +189,8 @@ void exit_ui(void)
 	delete window;
 	delete application;
 	free((void *)existing_filename);
+	free((void *)default_dive_computer_vendor);
+	free((void *)default_dive_computer_product);
 	free((void *)default_dive_computer_device);
 }