diff --git a/pkgs/development/compilers/gcc/4.6/default.nix b/pkgs/development/compilers/gcc/4.6/default.nix
index 8528be07729..0f08a908bfd 100644
--- a/pkgs/development/compilers/gcc/4.6/default.nix
+++ b/pkgs/development/compilers/gcc/4.6/default.nix
@@ -474,6 +474,8 @@ stdenv.mkDerivation ({
 # Strip kills static libs of other archs (hence cross != null)
 // optionalAttrs (!stripped || cross != null) { dontStrip = true; NIX_STRIP_DEBUG = 0; }
 
+// optionalAttrs (enableMultilib) { dontMoveLib64 = true; }
+
 // optionalAttrs langVhdl rec {
   name = "ghdl-0.29";
 
diff --git a/pkgs/development/compilers/gcc/4.9/default.nix b/pkgs/development/compilers/gcc/4.9/default.nix
index 40244cab94f..1cda4535efc 100644
--- a/pkgs/development/compilers/gcc/4.9/default.nix
+++ b/pkgs/development/compilers/gcc/4.9/default.nix
@@ -512,4 +512,6 @@ stdenv.mkDerivation ({
 
 # Strip kills static libs of other archs (hence cross != null)
 // optionalAttrs (!stripped || cross != null) { dontStrip = true; NIX_STRIP_DEBUG = 0; }
+
+// optionalAttrs (enableMultilib) { dontMoveLib64 = true; }
 )