diff --git a/sapi/litespeed/lsapidef.h b/sapi/litespeed/lsapidef.h
index 05c018f7ef6..22a8dec30c8 100644
--- a/sapi/litespeed/lsapidef.h
+++ b/sapi/litespeed/lsapidef.h
@@ -113,7 +113,7 @@ enum
 #define LSAPI_INTERNAL_ERROR        9
 
 
-#define LSAPI_MAX_HEADER_LEN        65535
+#define LSAPI_MAX_HEADER_LEN        (1024 * 256)
 #define LSAPI_MAX_DATA_PACKET_LEN   16384
 
 #define LSAPI_RESP_HTTP_HEADER_MAX  32768