diff --git a/pkgs/development/compilers/gcc/common/builder.nix b/pkgs/development/compilers/gcc/common/builder.nix
index 47b3ed1d3adc..9f24a41e97d4 100644
--- a/pkgs/development/compilers/gcc/common/builder.nix
+++ b/pkgs/development/compilers/gcc/common/builder.nix
@@ -7,7 +7,7 @@
 
 let
   forceLibgccToBuildCrtStuff = import ./libgcc-buildstuff.nix { inherit lib stdenv; };
-  isCross = with stdenv; targetPlatform.config != hostPlatform.config;
+  isCross = with stdenv; targetPlatform != hostPlatform;
 in
 
 # We don't support multilib and cross at the same time