diff --git a/src/mod/endpoints/mod_rtmp/mod_rtmp.h b/src/mod/endpoints/mod_rtmp/mod_rtmp.h
index e53cb95d94..8571aedafa 100644
--- a/src/mod/endpoints/mod_rtmp/mod_rtmp.h
+++ b/src/mod/endpoints/mod_rtmp/mod_rtmp.h
@@ -47,7 +47,7 @@
 
 #define RTMP_DEFAULT_PORT 1935
 #define RTMP_TCP_READ_BUF 2048 * 16
-#define AMF_MAX_SIZE      2048 * 16
+#define AMF_MAX_SIZE      2048 * 16 * 2
 
 #define SUPPORT_SND_NONE	0x0000
 #define SUPPORT_SND_ADPCM	0x0002