diff --git a/pkgs/development/compilers/nim/default.nix b/pkgs/development/compilers/nim/default.nix
index 9d099f5c708..1cbdd84ba63 100644
--- a/pkgs/development/compilers/nim/default.nix
+++ b/pkgs/development/compilers/nim/default.nix
@@ -148,6 +148,7 @@ in {
       description = "Statically typed, imperative programming language";
       homepage = "https://nim-lang.org/";
       license = licenses.mit;
+      mainProgram = "nim";
       maintainers = with maintainers; [ ehmry ];
     };
   };