diff --git a/pkgs/development/libraries/proj/default.nix b/pkgs/development/libraries/proj/default.nix
index 41b6192a9ed3..fc0f1cf67a56 100644
--- a/pkgs/development/libraries/proj/default.nix
+++ b/pkgs/development/libraries/proj/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, pkg-config, sqlite, autoreconfHook }:
 
 stdenv.mkDerivation rec {
-  name = "proj";
+  pname = "proj";
   version = "6.3.1";
 
   src = fetchFromGitHub {