1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/applications/science/astronomy/astrolog/default.nix b/pkgs/applications/science/astronomy/astrolog/default.nix
index 743a58e9e053..7ad05e35e24e 100644
--- a/pkgs/applications/science/astronomy/astrolog/default.nix
+++ b/pkgs/applications/science/astronomy/astrolog/default.nix
@@ -58,6 +58,7 @@ stdenv.mkDerivation rec {
     maintainers = [ maintainers.kmein ];
     homepage = "https://astrolog.org/astrolog.htm";
     description = "Freeware astrology program";
+    mainProgram = "astrolog";
     platforms = platforms.linux;
     license = licenses.gpl2Plus;
   };