diff --git a/pkgs/applications/misc/synapse/default.nix b/pkgs/applications/misc/synapse/default.nix
index 21c0c0f5ea31..e7d2a595684b 100644
--- a/pkgs/applications/misc/synapse/default.nix
+++ b/pkgs/applications/misc/synapse/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
       '';
       homepage = https://launchpad.net/synapse-project;
       license = stdenv.lib.licenses.gpl3;
-      maintainers = with stdenv.lib.maintainers; mahe;
+      maintainers = with stdenv.lib.maintainers; [ mahe ];
       platforms = with stdenv.lib.platforms; all;
   };
 }
diff --git a/pkgs/tools/system/iops/default.nix b/pkgs/tools/system/iops/default.nix
index 243325168706..34a48bd30539 100644
--- a/pkgs/tools/system/iops/default.nix
+++ b/pkgs/tools/system/iops/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     '';
     homepage = http://www.vanheusden.com/iops/;
     license = licenses.gpl2;
-    maintainers = with maintainers; davidak;
+    maintainers = with maintainers; [ davidak ];
     platforms = platforms.linux; # build problems on Darwin
   };
 }