diff --git a/mxml.h b/mxml.h
index e1b0a3f..f87c27a 100644
--- a/mxml.h
+++ b/mxml.h
@@ -38,7 +38,7 @@
 
 #define INTERNAL_ENTITY               0
 #define EXTERNAL_ENTITY               1
-#define MXML_MAX_ENTITY             500
+#define MXML_MAX_ENTITY              50
 
 #define MXML_MAX_CONDITION           10