diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 82e3643c0..c88a14401 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -18,6 +18,9 @@ apps:
     command: telegram-launch
     common-id: org.telegram.desktop
     desktop: share/applications/telegramdesktop.desktop
+    environment:
+      # Use GTK3 cursor theme, icon theme and open/save file dialogs.
+      QT_QPA_PLATFORMTHEME: gtk3
     extensions:
       - kde-neon
     plugs: