diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt
index 19d7668a1..286600d38 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt
@@ -1381,8 +1381,8 @@ class EventActivity : SimpleActivity() {
                         val hasFixedRepeatCount = originalEvent.repeatLimit < 0 && mEvent.repeatLimit < 0
                         val repeatLimitUnchanged = originalEvent.repeatLimit == mEvent.repeatLimit
                         if (hasFixedRepeatCount && repeatLimitUnchanged) {
-                            val daysSinceStart = (mEventOccurrenceTS - originalEvent.startTS) / DAY
-                            val newRepeatLimit = mEvent.repeatLimit + daysSinceStart
+                            val occurrencesSinceStart = (mEventOccurrenceTS - originalEvent.startTS) / originalEvent.repeatInterval
+                            val newRepeatLimit = mEvent.repeatLimit + occurrencesSinceStart
                             mEvent.repeatLimit = newRepeatLimit
                         }