diff --git a/rules.go b/rules.go
index 7fa1d37..13877d9 100644
--- a/rules.go
+++ b/rules.go
@@ -171,7 +171,7 @@ func resetMsgParsingRules() error {
 				}
 				rules2 = append(rules2, r)
 
-				if len(o.Craft.Command) > 6 && o.Craft.Command[0:4] == "/brew_" {
+				if len(o.Craft.Command) > 6 && o.Craft.Command[0:6] == "/brew_" {
 					fmt.Printf("Inserting %s\n", o.Code)
 					r = MessageParsingRule{
 						Priority:       9998,