diff --git a/app/src/main/java/be/ugent/sel/studeez/screens/timer_form/form_screens/CustomTimerFormScreen.kt b/app/src/main/java/be/ugent/sel/studeez/screens/timer_form/form_screens/CustomTimerFormScreen.kt
index b0000a0..27c0657 100644
--- a/app/src/main/java/be/ugent/sel/studeez/screens/timer_form/form_screens/CustomTimerFormScreen.kt
+++ b/app/src/main/java/be/ugent/sel/studeez/screens/timer_form/form_screens/CustomTimerFormScreen.kt
@@ -29,6 +29,6 @@ class CustomTimerFormScreen(
 fun CustomEditScreenPreview() {
     val customTimerInfo = CustomTimerInfo("custom", "my description", 25)
     StudeezTheme {
-        CustomTimerFormScreen(customTimerInfo).invoke(onSaveClick = {}, extraButton = {})
+        CustomTimerFormScreen(customTimerInfo).invoke(onSaveClick = {})
     }
 }
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