diff --git a/components/bt/host/bluedroid/common/include/common/bt_target.h b/components/bt/host/bluedroid/common/include/common/bt_target.h
index fb7a682ee75..9df86c6bec3 100644
--- a/components/bt/host/bluedroid/common/include/common/bt_target.h
+++ b/components/bt/host/bluedroid/common/include/common/bt_target.h
@@ -2133,7 +2133,7 @@
 
 /* The port receive queue low watermark level, in number of buffers. */
 #ifndef PORT_RX_BUF_LOW_WM
-#define PORT_RX_BUF_LOW_WM          4
+#define PORT_RX_BUF_LOW_WM          6
 #endif
 
 /* The port receive queue high watermark level, in number of buffers. */