diff --git a/Userland/Applications/BrowserSettings/ContentFilterSettingsWidget.cpp b/Userland/Applications/BrowserSettings/ContentFilterSettingsWidget.cpp
index 89059ad28c..5e64826fea 100644
--- a/Userland/Applications/BrowserSettings/ContentFilterSettingsWidget.cpp
+++ b/Userland/Applications/BrowserSettings/ContentFilterSettingsWidget.cpp
@@ -119,7 +119,9 @@ ContentFilterSettingsWidget::ContentFilterSettingsWidget()
 
     m_add_new_domain_button->on_click = [&](unsigned) {
         String text;
-        if (GUI::InputBox::show(window(), text, "Enter domain name", "Add domain to Content Filter") == GUI::Dialog::ExecResult::OK) {
+
+        if (GUI::InputBox::show(window(), text, "Enter domain name", "Add domain to Content Filter") == GUI::Dialog::ExecResult::OK
+            && !text.is_empty()) {
             m_domain_list_model->add_domain(std::move(text));
             set_modified(true);
         }