diff --git a/openwrt/target/utils/src/trx.c b/openwrt/target/utils/src/trx.c
index 79a04026ea..6f9fa41687 100644
--- a/openwrt/target/utils/src/trx.c
+++ b/openwrt/target/utils/src/trx.c
@@ -62,7 +62,7 @@ uint32_t crc32buf(char *buf, size_t len);
 
 #define TRX_MAGIC	0x30524448	/* "HDR0" */
 #define TRX_VERSION	1
-#define TRX_MAX_LEN	0x3A0000
+#define TRX_MAX_LEN	0x5A0000
 #define TRX_NO_HEADER	1		/* Do not write TRX header */	
 
 struct trx_header {