diff --git a/replacer/main.go b/replacer/main.go
index 3a84ce1..a3fb537 100644
--- a/replacer/main.go
+++ b/replacer/main.go
@@ -70,7 +70,8 @@ func main() {
 		stdlog.Println("wait for terminating of", args[3])
 		proc, err := os.FindProcess(pid)
 		if err != nil {
-			stdlog.Fatal(err)
+			stdlog.Println("FindProcess error :", err)
+			break
 		}
 
 		err = proc.Signal(syscall.Signal(0))
@@ -81,6 +82,8 @@ func main() {
 		time.Sleep(time.Second)
 	}
 
+	stdlog.Println("target is terminated")
+
 	selfext, _ := os.Executable()
 	selfext = path.Base(selfext)
 	nextArgs := args[4:]