1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/applications/science/chemistry/ergoscf/default.nix b/pkgs/applications/science/chemistry/ergoscf/default.nix
index 5343f102b249..3ee33cf19b74 100644
--- a/pkgs/applications/science/chemistry/ergoscf/default.nix
+++ b/pkgs/applications/science/chemistry/ergoscf/default.nix
@@ -38,6 +38,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Quantum chemistry program for large-scale self-consistent field calculations";
+    mainProgram = "ergo";
     homepage = "http://www.ergoscf.org";
     license = licenses.gpl3Plus;
     maintainers = [ maintainers.markuskowa ];