diff --git a/pkgs/tools/misc/rrdtool/default.nix b/pkgs/tools/misc/rrdtool/default.nix
index e6cab9804d3..9a50a4af551 100644
--- a/pkgs/tools/misc/rrdtool/default.nix
+++ b/pkgs/tools/misc/rrdtool/default.nix
@@ -12,6 +12,6 @@ stdenv.mkDerivation {
     homepage = http://oss.oetiker.ch/rrdtool/;
     description = "High performance logging in Round Robin Databases";
     license = "GPL";
-    platforms = with stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.all;
   };
 }