diff --git a/pkgs/tools/misc/fsearch/default.nix b/pkgs/tools/misc/fsearch/default.nix
index e2782ef652be..7027a6da0fab 100644
--- a/pkgs/tools/misc/fsearch/default.nix
+++ b/pkgs/tools/misc/fsearch/default.nix
@@ -54,5 +54,6 @@ stdenv.mkDerivation {
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ artturin ];
     platforms = platforms.unix;
+    mainProgram = "fsearch";
   };
 }