diff --git a/pkgs/by-name/re/retrospy/package.nix b/pkgs/by-name/re/retrospy/package.nix
index b1e8fa0b973a..8f0f3b81fd4e 100644
--- a/pkgs/by-name/re/retrospy/package.nix
+++ b/pkgs/by-name/re/retrospy/package.nix
@@ -76,5 +76,6 @@ buildDotnetModule {
     license = lib.licenses.gpl3;
     maintainers = [ lib.maintainers.naxdy ];
     platforms = lib.platforms.linux;
+    mainProgram = "RetroSpy";
   };
 }