diff --git a/kcms/time/ui/main.qml b/kcms/time/ui/main.qml
index 2e7c4de6..a98d1441 100644
--- a/kcms/time/ui/main.qml
+++ b/kcms/time/ui/main.qml
@@ -173,7 +173,7 @@ SimpleKCM {
         TimePicker {
             id: timePicker
             enabled: !ntpCheckBox.checked
-            twentyFour: twentyFourSwitch.checked
+            twentyFour: hourFormatSwitch.checked
 
             implicitWidth: width > Kirigami.Units.gridUnit * 15 ? width : Kirigami.Units.gridUnit * 15