1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/science/chemistry/openmm/default.nix b/nixpkgs/pkgs/development/libraries/science/chemistry/openmm/default.nix
index 9b37f14f1403..d146fa073dc3 100644
--- a/nixpkgs/pkgs/development/libraries/science/chemistry/openmm/default.nix
+++ b/nixpkgs/pkgs/development/libraries/science/chemistry/openmm/default.nix
@@ -100,6 +100,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Toolkit for molecular simulation using high performance GPU code";
+    mainProgram = "TestReferenceHarmonicBondForce";
     homepage = "https://openmm.org/";
     license = with licenses; [ gpl3Plus lgpl3Plus mit ];
     platforms = platforms.linux;