diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/ui/durationpicker/ContactDiaryDurationPickerFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/ui/durationpicker/ContactDiaryDurationPickerFragment.kt
index a33bc0e11e588448dbf12ee41458b1839c7a7db7..5e14d2498e8c64bc8a44643e14a3b528f1dc0f4f 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/ui/durationpicker/ContactDiaryDurationPickerFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/ui/durationpicker/ContactDiaryDurationPickerFragment.kt
@@ -45,8 +45,8 @@ class ContactDiaryDurationPickerFragment : DialogFragment() {
             var duration = requireArguments().getString(DURATION_ARGUMENT_KEY)!!.split(":").toTypedArray()
             if (duration.size < 2) duration = arrayOf("00", "00")
 
-            hours.value = if (hoursArray.size > duration[0].toInt()) hoursArray.indexOf(duration[0]) else 0
-            minutes.value = if (minutesArray.size > duration[1].toInt()) minutesArray.indexOf(duration[1]) else 0
+            hours.value = hoursArray.indexOf(duration[0])
+            minutes.value = minutesArray.indexOf(duration[1])
 
             cancelButton.setOnClickListener { dismiss() }
             okButton.setOnClickListener {