diff --git a/src/unix/darwin-proctitle.c b/src/unix/darwin-proctitle.c
index dabde223..97eaa053 100644
--- a/src/unix/darwin-proctitle.c
+++ b/src/unix/darwin-proctitle.c
@@ -23,6 +23,7 @@
 
 #include <dlfcn.h>
 #include <errno.h>
+#include <pthread.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -35,21 +36,13 @@
 
 
 static int uv__pthread_setname_np(const char* name) {
-  int (*dynamic_pthread_setname_np)(const char* name);
   char namebuf[64];  /* MAXTHREADNAMESIZE */
   int err;
 
-  /* pthread_setname_np() first appeared in OS X 10.6 and iOS 3.2. */
-  *(void **)(&dynamic_pthread_setname_np) =
-      dlsym(RTLD_DEFAULT, "pthread_setname_np");
-
-  if (dynamic_pthread_setname_np == NULL)
-    return UV_ENOSYS;
-
   strncpy(namebuf, name, sizeof(namebuf) - 1);
   namebuf[sizeof(namebuf) - 1] = '\0';
 
-  err = dynamic_pthread_setname_np(namebuf);
+  err = pthread_setname_np(namebuf);
   if (err)
     return UV__ERR(err);