diff --git a/plasma-workspace/env/startup.sh b/plasma-workspace/env/startup.sh
new file mode 100755
index 0000000..5f2ac42
--- /dev/null
+++ b/plasma-workspace/env/startup.sh
@@ -0,0 +1,3 @@
+# enable Qt dialogs in GTK applications
+export GTK_USE_PORTAL=1
+