diff --git a/pkgs/tools/inputmethods/interception-tools/dual-function-keys.nix b/pkgs/tools/inputmethods/interception-tools/dual-function-keys.nix
index f8caefa6087a..34dde4dc7429 100644
--- a/pkgs/tools/inputmethods/interception-tools/dual-function-keys.nix
+++ b/pkgs/tools/inputmethods/interception-tools/dual-function-keys.nix
@@ -30,5 +30,6 @@ stdenv.mkDerivation rec {
     license = licenses.mit;
     maintainers = with maintainers; [ svend ];
     platforms = platforms.linux;
+    mainProgram = "dual-function-keys";
   };
 }