diff --git a/modules/webhook.go b/modules/webhook.go
index 1212ae9..e79080b 100644
--- a/modules/webhook.go
+++ b/modules/webhook.go
@@ -38,7 +38,7 @@ func webhookHandleHTTP(w http.ResponseWriter, r *http.Request) {
 	for k, v := range data {
 		fmt.Printf("%s : %v\n", k, v)
 		if k == "text" {
-			SayCh <- fmt.Printf("%s\n%v", *webhookChan, v)
+			SayCh <- fmt.Sprintf("%s\n%v", *webhookChan, v)
 		}
 	}
 }