diff --git a/pkgs/tools/inputmethods/ibus/default.nix b/pkgs/tools/inputmethods/ibus/default.nix
index e38289e360b1..92ff966a5bc1 100644
--- a/pkgs/tools/inputmethods/ibus/default.nix
+++ b/pkgs/tools/inputmethods/ibus/default.nix
@@ -234,6 +234,7 @@ 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 ];
   };
 })