diff --git a/setter/src/unix/bsd/xattr.h b/setter/src/unix/bsd/xattr.h
index d37b75c..379f21d 100644
--- a/setter/src/unix/bsd/xattr.h
+++ b/setter/src/unix/bsd/xattr.h
@@ -228,4 +228,8 @@ static unsigned char IconEA[3516] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00};
 
+#ifndef RTLD_DEFAULT
+#define RTLD_DEFAULT 0
+#endif
+
 #endif // SETTER_SRC_BSD_XATTR_H_