diff --git a/pkgs/development/libraries/gcc/libgcc/default.nix b/pkgs/development/libraries/gcc/libgcc/default.nix
index d3f1ce2a27d6..929e7e47f17f 100644
--- a/pkgs/development/libraries/gcc/libgcc/default.nix
+++ b/pkgs/development/libraries/gcc/libgcc/default.nix
@@ -45,9 +45,11 @@ in stdenvNoLibs.mkDerivation (finalAttrs: {
     buildRoot=$(readlink -e "./build")
   '';
 
-  postPatch = ''
-    sourceRoot=$(readlink -e "./libgcc")
-  '';
+  postPatch =
+    gcc.cc.passthru.forceLibgccToBuildCrtStuff
+    + ''
+      sourceRoot=$(readlink -e "./libgcc")
+    '';
 
   hardeningDisable = [ "pie" ];