diff --git a/pkgs/tools/admin/drawterm/default.nix b/pkgs/tools/admin/drawterm/default.nix
index 1a96f3bcfbe4..b5b6a1fb32f3 100644
--- a/pkgs/tools/admin/drawterm/default.nix
+++ b/pkgs/tools/admin/drawterm/default.nix
@@ -64,5 +64,6 @@ stdenv.mkDerivation {
     license = licenses.mit;
     maintainers = with maintainers; [ luc65r moody ];
     platforms = platforms.linux;
+    mainProgram = "drawterm";
   };
 }