diff --git a/Gemini-iOS/NavigationBarView.swift b/Gemini-iOS/NavigationBarView.swift
index 596c9f1..4b84a83 100644
--- a/Gemini-iOS/NavigationBarView.swift
+++ b/Gemini-iOS/NavigationBarView.swift
@@ -77,7 +77,9 @@ class NavigationBarView: UIView {
     
     @objc private func commitURL() {
         textField.resignFirstResponder()
-        if let text = textField.text, var components = URLComponents(string: text) {
+        if let text = textField.text,
+           !text.isEmpty,
+           var components = URLComponents(string: text) {
             if components.scheme == nil {
                 components.scheme = "gemini"
             }