diff --git a/dln.c b/dln.c
index 5af9a57802..f52fc9f021 100644
--- a/dln.c
+++ b/dln.c
@@ -1333,7 +1333,9 @@ dln_load(const char *file)
 	    void *ex = dlsym(handle, EXTERNAL_PREFIX"ruby_xmalloc");
 	    if (ex && ex != ruby_xmalloc) {
 
-#   if defined __APPLE__
+#   if defined __APPLE__ && \
+    defined(MAC_OS_X_VERSION_MIN_REQUIRED) && \
+    (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_11)
 		/* dlclose() segfaults */
 		rb_fatal("%s - %s", incompatible, file);
 #   else