diff --git a/pkgs/applications/misc/kemai/default.nix b/pkgs/applications/misc/kemai/default.nix
index c83ad1016adb..78c436945c6f 100644
--- a/pkgs/applications/misc/kemai/default.nix
+++ b/pkgs/applications/misc/kemai/default.nix
@@ -49,5 +49,6 @@ stdenv.mkDerivation rec {
     license = licenses.mit;
     maintainers = with maintainers; [ poelzi ];
     platforms   = platforms.unix;
+    mainProgram = "Kemai";
   };
 }