diff --git a/pkgs/shells/ipython/default.nix b/pkgs/shells/ipython/default.nix
index 4548e2dbfc43..84ca7f04e7e2 100644
--- a/pkgs/shells/ipython/default.nix
+++ b/pkgs/shells/ipython/default.nix
@@ -52,6 +52,6 @@ buildPythonPackage rec {
       enhanced interactive Python shell and an architecture for
       interactive parallel computing.
     '';
-    maintainers = stdenv.lib.maintainers.bjornfor;
+    maintainers = [ stdenv.lib.maintainers.bjornfor ];
   };
 }