diff --git a/linkcheck/gui/__init__.py b/linkcheck/gui/__init__.py
index 58bdac7c..7e19dea3 100644
--- a/linkcheck/gui/__init__.py
+++ b/linkcheck/gui/__init__.py
@@ -185,11 +185,13 @@ Version 2 or later.</p>
         """Display debug dialog."""
         self.debug.show()
 
-    def on_controlButton_clicked (self):
+    def start (self):
         """Start a new check."""
         if self.status == Status.idle:
             self.check()
 
+    on_controlButton_clicked = on_urlinput_returnPressed = start
+
     def check (self):
         """Check given URL."""
         self.controlButton.setEnabled(False)