diff --git a/src/entry/Maat_command.cpp b/src/entry/Maat_command.cpp
index 4dd9591..c6ca3c3 100644
--- a/src/entry/Maat_command.cpp
+++ b/src/entry/Maat_command.cpp
@@ -195,7 +195,7 @@ int get_valid_flag_offset(const char* line, enum MAAT_TABLE_TYPE type,int valid_
 		}
 	}
 	i++;
-	if(i>=strlen(line)||line[i]!='1')
+	if(i>=strlen(line)||(line[i]!='1'&&line[i]!='0'))// 0 is also a valid value for some non-MAAT producer.
 	{
 		return -1;
 	}
diff --git a/src/entry/Maat_rule.cpp b/src/entry/Maat_rule.cpp
index d32d96b..aedc44a 100644
--- a/src/entry/Maat_rule.cpp
+++ b/src/entry/Maat_rule.cpp
@@ -30,7 +30,7 @@
 #include "stream_fuzzy_hash.h"
 #include "gram_index_engine.h"
 
-int MAAT_FRAME_VERSION_2_2_20180705=1;
+int MAAT_FRAME_VERSION_2_2_20180719=1;
 
 const char* CHARSET_STRING[]={"NONE","gbk","big5","unicode","utf8","bin",
 							"unicode_ascii_esc","unicode_ascii_aligned","unicode_ncr_dec","unicode_ncr_hex","url_encode_gb2312","url_encode_utf8",""};