diff --git a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/generic.nix b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/generic.nix
index 2588340de1d..7581482504b 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/generic.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/generic.nix
@@ -114,7 +114,7 @@ mkDerivation rec {
     install -m444 "$src/lib/xdg/telegramdesktop.desktop" "$out/share/applications/telegram-desktop.desktop"
     sed "s,/usr/bin,$out/bin,g" $archPatches/tg.protocol > $out/share/kde4/services/tg.protocol
     for icon_size in 16 32 48 64 128 256 512; do
-      install -Dm644 "../../../Telegram/Resources/art/icon''${icon_size}.png" "$out/share/icons/hicolor/''${icon_size}x''${icon_size}/apps/telegram-desktop.png"
+      install -Dm644 "../../../Telegram/Resources/art/icon''${icon_size}.png" "$out/share/icons/hicolor/''${icon_size}x''${icon_size}/apps/telegram.png"
     done
   '';