diff --git a/pkgs/servers/samba/default.nix b/pkgs/servers/samba/default.nix
index 797f619782c..835781fc17e 100644
--- a/pkgs/servers/samba/default.nix
+++ b/pkgs/servers/samba/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildInputs = [readline pam openldap kerberos popt iniparser libunwind fam];
   configureFlags = ''--with-pam --with-smbmount --datadir=$out/share
   --with-aio-support ''
-  + (if stdenv.gcc ? libc then "--with-libiconv=${stdenv.gcc.libc}" else "");
+  + (if (stdenv.gcc ? libc && stdenv.gcc.libc) then "--with-libiconv=${stdenv.gcc.libc}" else "");
 
   postUnpack = "sourceRoot=\$sourceRoot/source";
   postInstall = ''rm -rf $out/var ; ln -s /var/samba $out/var '';