diff --git a/pkgs/applications/misc/gallery-dl/default.nix b/pkgs/applications/misc/gallery-dl/default.nix
index 4b5ee339b1ab..5c6614b98263 100644
--- a/pkgs/applications/misc/gallery-dl/default.nix
+++ b/pkgs/applications/misc/gallery-dl/default.nix
@@ -38,6 +38,7 @@ buildPythonApplication rec {
     homepage = "https://github.com/mikf/gallery-dl";
     changelog = "https://github.com/mikf/gallery-dl/blob/v${version}/CHANGELOG.md";
     license = licenses.gpl2Only;
+    mainProgram = "gallery-dl";
     maintainers = with maintainers; [ dawidsowa marsam ];
   };
 }