diff --git a/sql.go b/sql.go
index 7ee443a..77b5bbe 100644
--- a/sql.go
+++ b/sql.go
@@ -315,6 +315,7 @@ func loadMsgParsingRules() (m map[int]MessageParsingRule, err error) {
 		i.Description = descn
 		i.Rule = rule
 		i.MsgTypeID = msgTypeID
+		i.re = regexp.MustCompile(rule)
 		m[count] = *i
 		count++
 	}