1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/science/chemistry/jmol/default.nix b/nixpkgs/pkgs/applications/science/chemistry/jmol/default.nix
index 0af60d240f69..ee3ab5f1f3a5 100644
--- a/nixpkgs/pkgs/applications/science/chemistry/jmol/default.nix
+++ b/nixpkgs/pkgs/applications/science/chemistry/jmol/default.nix
@@ -53,6 +53,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
      description = "A Java 3D viewer for chemical structures";
+     mainProgram = "jmol";
      homepage = "https://sourceforge.net/projects/jmol";
      sourceProvenance = with sourceTypes; [ binaryBytecode ];
      license = licenses.lgpl2;