diff --git a/examples/thread_design.c b/examples/thread_design.c
index a337503..d5b2448 100644
--- a/examples/thread_design.c
+++ b/examples/thread_design.c
@@ -2,7 +2,7 @@
  * How to exploit the wonders of libevhtp's threading model to avoid using
  * libevent's locking API.
  *
- * In this example we use Redis's Async API (Libhiredis) store and retr the following
+ * In this example we use Redis's Async API (Libhiredis) store and retry the following
  * information for a request:
  *
  * Total requests seen.
diff --git a/include/internal.h b/include/internal.h
index 194823c..3afa84a 100644
--- a/include/internal.h
+++ b/include/internal.h
@@ -18,6 +18,10 @@ extern "C" {
 #       define evhtp_unlikely(x)       (x)
 #endif
 
+#if defined __APPLE__
+#       define mempcpy(...)  memcpy(__VA_ARGS__)
+#endif
+
 #ifndef TAILQ_FOREACH_SAFE
 #define TAILQ_FOREACH_SAFE(var, head, field, tvar)        \
     for ((var) = TAILQ_FIRST((head));                     \