diff --git a/pkgs/misc/cups/drivers/brother/mfcl3770cdw/default.nix b/pkgs/misc/cups/drivers/brother/mfcl3770cdw/default.nix
index b165938d487f..a9f1900b1bc2 100644
--- a/pkgs/misc/cups/drivers/brother/mfcl3770cdw/default.nix
+++ b/pkgs/misc/cups/drivers/brother/mfcl3770cdw/default.nix
@@ -24,9 +24,9 @@ let
 
 in
 rec {
-  driver = pkgsi686Linux.stdenv.mkDerivation rec {
+  driver = pkgsi686Linux.stdenv.mkDerivation {
     inherit src version;
-    name = "${model}drv-${version}";
+    pname = "${model}drv";
 
     nativeBuildInputs = [
       dpkg
@@ -69,9 +69,9 @@ rec {
     };
   };
 
-  cupswrapper = stdenv.mkDerivation rec {
+  cupswrapper = stdenv.mkDerivation {
     inherit version src;
-    name = "${model}cupswrapper-${version}";
+    pname = "${model}cupswrapper";
 
     nativeBuildInputs = [
       dpkg