diff --git a/community/mate/desktop-overlay/etc/environment b/community/mate/desktop-overlay/etc/environment
new file mode 100644
index 0000000..578e471
--- /dev/null
+++ b/community/mate/desktop-overlay/etc/environment
@@ -0,0 +1,7 @@
+#
+# This file is parsed by pam_env module
+#
+# Syntax: simple "KEY=VAL" pairs on separate lines
+#
+
+QT_QPA_PLATFORMTHEME="qt5ct"