diff --git a/pkgs/development/interpreters/scsh/default.nix b/pkgs/development/interpreters/scsh/default.nix
index 098e19cdd1ee..b3b7db8537a2 100644
--- a/pkgs/development/interpreters/scsh/default.nix
+++ b/pkgs/development/interpreters/scsh/default.nix
@@ -31,5 +31,6 @@ stdenv.mkDerivation {
     license = licenses.bsd3;
     maintainers = with maintainers; [ joachifm ];
     platforms = with platforms; unix;
+    mainProgram = "scsh";
   };
 }