diff --git a/include/xo/randomgen/random_seed.hpp b/include/xo/randomgen/random_seed.hpp
index d68fc10c..b8d89630 100644
--- a/include/xo/randomgen/random_seed.hpp
+++ b/include/xo/randomgen/random_seed.hpp
@@ -24,7 +24,7 @@ namespace xo {
          */
         template<typename T>
         void random_seed(T * p_seed) {
-#      ifdef __clang__
+#      ifdef __APPLE__
             /* NOTE: arc4random_buf() works on darwin/nix;
              *       probably need to do something else on intel linux
              */