diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts
index 00636354..2a556d99 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts
@@ -511,7 +511,7 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
 
     if (!!this.selectedSticker) {
       // Send Sticker
-      if (message.trim().length > CONST.MASSTEXT_LEN) {
+      if (!!message && message.trim().length > CONST.MASSTEXT_LEN) {
         const result = await this.dialogService.open<
           AlertDialogComponent,
           AlertDialogData,
@@ -529,7 +529,7 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
       const stickerJson: StickerEventJson = {
         name: '스티커',
         file: this.selectedSticker.index,
-        chat: message.trim()
+        chat: !!message ? message.trim() : ''
       };
       this.store.dispatch(
         EventStore.send({