diff --git a/frontend/src/components/Activities/WhatsAppBox.vue b/frontend/src/components/Activities/WhatsAppBox.vue
index 133ad1217..40d19ec08 100644
--- a/frontend/src/components/Activities/WhatsAppBox.vue
+++ b/frontend/src/components/Activities/WhatsAppBox.vue
@@ -38,7 +38,7 @@
         @update:modelValue="
           () => {
             content += emoji
-            $refs.textarea.$el.focus()
+            $refs.textareaRef.el.focus()
             capture('whatsapp_emoji_added')
           }
         "
@@ -50,7 +50,7 @@
       </IconPicker>
     </div>
     <Textarea
-      ref="textarea"
+      ref="textareaRef"
       type="textarea"
       class="min-h-8 w-full"
       :rows="rows"
@@ -58,7 +58,7 @@
       :placeholder="placeholder"
       @focus="rows = 6"
       @blur="rows = 1"
-      @keydown.enter="(e) => sendTextMessage(e)"
+      @keydown.enter.stop="(e) => sendTextMessage(e)"
     />
   </div>
 </template>
@@ -78,7 +78,7 @@ const doc = defineModel()
 const whatsapp = defineModel('whatsapp')
 const reply = defineModel('reply')
 const rows = ref(1)
-const textarea = ref(null)
+const textareaRef = ref(null)
 const emoji = ref('')
 
 const content = ref('')
@@ -86,7 +86,7 @@ const placeholder = ref(__('Type your message here...'))
 const fileType = ref('')
 
 function show() {
-  nextTick(() => textarea.value.$el.focus())
+  nextTick(() => textareaRef.value.el.focus())
 }
 
 function uploadFile(file) {
@@ -99,7 +99,7 @@ function uploadFile(file) {
 function sendTextMessage(event) {
   if (event.shiftKey) return
   sendWhatsAppMessage()
-  textarea.value.$el.blur()
+  textareaRef.value.el?.blur()
   content.value = ''
   capture('whatsapp_send_message')
 }