diff --git a/include/haproxy/compat.h b/include/haproxy/compat.h
index ed7e87051..35a38d73c 100644
--- a/include/haproxy/compat.h
+++ b/include/haproxy/compat.h
@@ -287,9 +287,10 @@ typedef struct { } empty_t;
 #endif
 
 /* Max number of file descriptors we send in one sendmsg(). Linux seems to be
- * able to send 253 fds per sendmsg(), not sure about the other OSes.
+ * able to send 253 fds per sendmsg(), however musl is limited to 252, not sure
+ * about the other OSes.
  */
-#define MAX_SEND_FD 253
+#define MAX_SEND_FD 252
 
 #endif /* _HAPROXY_COMPAT_H */