diff --git a/pkgs/tools/inputmethods/ibus/default.nix b/pkgs/tools/inputmethods/ibus/default.nix
index 6c47a6b6e441..b358adf46c1f 100644
--- a/pkgs/tools/inputmethods/ibus/default.nix
+++ b/pkgs/tools/inputmethods/ibus/default.nix
@@ -238,6 +238,7 @@ stdenv.mkDerivation (finalAttrs: {
     description = "Intelligent Input Bus, input method framework";
     license = lib.licenses.lgpl21Plus;
     platforms = lib.platforms.linux;
+    mainProgram = "ibus";
     maintainers = with lib.maintainers; [ ttuegel ];
   };
 })