diff --git a/pkgs/development/interpreters/tinyscheme/default.nix b/pkgs/development/interpreters/tinyscheme/default.nix
index 1bdc2ef82f2..000b0534a10 100644
--- a/pkgs/development/interpreters/tinyscheme/default.nix
+++ b/pkgs/development/interpreters/tinyscheme/default.nix
@@ -75,6 +75,7 @@ stdenv.mkDerivation rec {
     homepage = "http://tinyscheme.sourceforge.net/";
     changelog = "http://tinyscheme.sourceforge.net/CHANGES";
     license = licenses.bsdOriginal;
+    mainProgram = pname;
     maintainers = [ maintainers.ebzzry ];
     platforms = platforms.unix;
   };