diff --git a/pkgs/applications/kde/gwenview.nix b/pkgs/applications/kde/gwenview.nix
index c4dc46f38afb..2913f7a46455 100644
--- a/pkgs/applications/kde/gwenview.nix
+++ b/pkgs/applications/kde/gwenview.nix
@@ -14,6 +14,7 @@ mkDerivation {
     description = "KDE image viewer";
     license = with lib.licenses; [ gpl2Plus fdl12Plus ];
     maintainers = [ lib.maintainers.ttuegel ];
+    mainProgram = "gwenview";
   };
   nativeBuildInputs = [ extra-cmake-modules kdoctools ];
   buildInputs = [