diff --git a/dangerzone/settings_widget.py b/dangerzone/settings_widget.py
index 1a7ee03..9c0d7f6 100644
--- a/dangerzone/settings_widget.py
+++ b/dangerzone/settings_widget.py
@@ -114,7 +114,7 @@ class SettingsWidget(QtWidgets.QWidget):
         output = subprocess.check_output(
             [self.common.container_runtime, "image", "ls", "dangerzone"]
         )
-        if b"localhost/dangerzone" not in output:
+        if b"dangerzone" not in output:
             self.update_checkbox.setCheckState(QtCore.Qt.Checked)
             self.update_checkbox.setEnabled(False)