diff --git a/pkgs/applications/graphics/yacreader/default.nix b/pkgs/applications/graphics/yacreader/default.nix
index b70fdfc9d74c..bb0c1a0e5084 100644
--- a/pkgs/applications/graphics/yacreader/default.nix
+++ b/pkgs/applications/graphics/yacreader/default.nix
@@ -22,6 +22,7 @@ mkDerivation rec {
     description = "A comic reader for cross-platform reading and managing your digital comic collection";
     homepage = "http://www.yacreader.com";
     license = lib.licenses.gpl3;
+    mainProgram = "YACReader";
     maintainers = with lib.maintainers; [ ];
   };
 }