diff --git a/doWITCOM.go b/doWITCOM.go
index 221602a..83b2662 100644
--- a/doWITCOM.go
+++ b/doWITCOM.go
@@ -43,6 +43,7 @@ func addCommonHeader(filename string) error {
 
 	var start bool = true
 	var found bool
+	var done bool
 
 	// drop the old copywrite lines
 	for _, line := range strings.Split(string(data), "\n") {
@@ -61,11 +62,14 @@ func addCommonHeader(filename string) error {
 		if strings.HasPrefix(line, "//") && found {
 			continue
 		} else {
+			found = false
+		}
+		if !done {
 			fmt.Fprintln(pf, "// Copyright 2017-2025 WIT.COM Inc. All rights reserved.")
 			fmt.Fprintln(pf, "// Use of this source code is governed by the GPL 3.0")
 			fmt.Fprintln(pf, "")
 			fmt.Fprintln(pf, line)
-			found = false
+			done = true
 		}
 		fmt.Fprintln(pf, line)
 	}