diff --git a/README.md b/README.md
index b3930d377..52f695c6a 100755
--- a/README.md
+++ b/README.md
@@ -1287,6 +1287,7 @@ Winlin
 [bug #515]: https://github.com/ossrs/srs/issues/515
 [bug #511]: https://github.com/ossrs/srs/issues/511
 [bug #518]: https://github.com/ossrs/srs/issues/518
+[bug #541]: https://github.com/ossrs/srs/issues/541
 [bug #xxxxxxxxxx]: https://github.com/ossrs/srs/issues/xxxxxxxxxx
 
 [exo #828]: https://github.com/google/ExoPlayer/pull/828
diff --git a/trunk/src/protocol/srs_rtmp_stack.cpp b/trunk/src/protocol/srs_rtmp_stack.cpp
index b7771387e..d9eb4ae46 100644
--- a/trunk/src/protocol/srs_rtmp_stack.cpp
+++ b/trunk/src/protocol/srs_rtmp_stack.cpp
@@ -1514,10 +1514,17 @@ int SrsProtocol::on_recv_message(SrsCommonMessage* msg)
             {
                 srs_warn("accept chunk size %d, but should in [%d, %d], "
                     "@see: https://github.com/ossrs/srs/issues/160",
-                    pkt->chunk_size, SRS_CONSTS_RTMP_MIN_CHUNK_SIZE, 
-                    SRS_CONSTS_RTMP_MAX_CHUNK_SIZE);
+                    pkt->chunk_size, SRS_CONSTS_RTMP_MIN_CHUNK_SIZE,  SRS_CONSTS_RTMP_MAX_CHUNK_SIZE);
             }
 
+            // @see: https://github.com/ossrs/srs/issues/541
+            if (pkt->chunk_size < SRS_CONSTS_RTMP_MIN_CHUNK_SIZE) {
+                ret = ERROR_RTMP_CHUNK_SIZE;
+                srs_error("chunk size should be %d+, value=%d. ret=%d",
+                    SRS_CONSTS_RTMP_MIN_CHUNK_SIZE, pkt->chunk_size, ret);
+                return ret;
+            }
+            
             in_chunk_size = pkt->chunk_size;
             srs_trace("input chunk size to %d", pkt->chunk_size);