diff --git a/pkgs/applications/misc/pastel/default.nix b/pkgs/applications/misc/pastel/default.nix
index 5e0f5fc9e011..ba59bc5db42c 100644
--- a/pkgs/applications/misc/pastel/default.nix
+++ b/pkgs/applications/misc/pastel/default.nix
@@ -21,5 +21,6 @@ rustPlatform.buildRustPackage rec {
     changelog = "https://github.com/sharkdp/pastel/releases/tag/v${version}";
     license = with licenses; [ asl20 /* or */ mit ];
     maintainers = with maintainers; [ davidtwco ];
+    mainProgram = "pastel";
   };
 }