1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/applications/audio/midisheetmusic/default.nix b/pkgs/applications/audio/midisheetmusic/default.nix
index 0d07663d115a..645c69a1c86b 100644
--- a/pkgs/applications/audio/midisheetmusic/default.nix
+++ b/pkgs/applications/audio/midisheetmusic/default.nix
@@ -54,6 +54,7 @@ in stdenv.mkDerivation {
 
   meta = with lib; {
     description = "Convert MIDI Files to Piano Sheet Music for two hands";
+    mainProgram = "midisheetmusic.mono.exe";
     homepage = "http://midisheetmusic.com";
     license = licenses.gpl2;
     maintainers = [ ];