diff --git a/public/scripts/ui.js b/public/scripts/ui.js
index 4321d31..8801675 100644
--- a/public/scripts/ui.js
+++ b/public/scripts/ui.js
@@ -1306,7 +1306,7 @@ class SendTextDialog extends Dialog {
     }
 
     _textInputEmpty() {
-        return this.$text.innerText === "\n";
+        return !this.$text.innerText || this.$text.innerText === "\n";
     }
 
     _onChange(e) {
diff --git a/public_included_ws_fallback/scripts/ui.js b/public_included_ws_fallback/scripts/ui.js
index 4a27f44..8443d11 100644
--- a/public_included_ws_fallback/scripts/ui.js
+++ b/public_included_ws_fallback/scripts/ui.js
@@ -1307,7 +1307,7 @@ class SendTextDialog extends Dialog {
     }
 
     _textInputEmpty() {
-        return this.$text.innerText === "\n";
+        return !this.$text.innerText || this.$text.innerText === "\n";
     }
 
     _onChange(e) {