diff --git a/src/fullcalendar/eventSources/eventSource.js b/src/fullcalendar/eventSources/eventSource.js
index 797c9d3ab..2cff8cadd 100644
--- a/src/fullcalendar/eventSources/eventSource.js
+++ b/src/fullcalendar/eventSources/eventSource.js
@@ -49,6 +49,10 @@ export default function(store) {
 					logger.error(`EventSource: Timezone ${timeZone} not found, falling back to UTC.`)
 				}
 
+				// This code assumes that once a time range has been fetched it won't be changed
+				// outside of the vuex store. Triggering a refetch will just update all known
+				// calendar objects inside this time range. New events that were added to a cached
+				// time range externally will not be fetched and have to be added manually.
 				const timeRange = store.getters.getTimeRangeForCalendarCoveringRange(calendar.id, getUnixTimestampFromDate(start), getUnixTimestampFromDate(end))
 				if (!timeRange) {
 					let timeRangeId
diff --git a/src/store/calendars.js b/src/store/calendars.js
index 5df99c93f..d1c3a7f35 100644
--- a/src/store/calendars.js
+++ b/src/store/calendars.js
@@ -688,13 +688,31 @@ const actions = {
 		commit('removeDeletedCalendar', { calendar })
 	},
 
-	async restoreCalendarObject({ commit, state, dispatch }, { vobject }) {
+	async restoreCalendarObject({ commit, state, getters }, { vobject }) {
 		await state.trashBin.restore(vobject.uri)
 
 		// Clean up the data locally
 		commit('removeDeletedCalendarObject', { vobject })
 
-		// Make sure the affected calendar is refreshed
+		// Delete cached time range that includes the restored event
+		const calendarObject = mapCDavObjectToCalendarObject(vobject.dav, undefined)
+		const component = calendarObject.calendarComponent.getFirstComponent(vobject.objectType)
+		const timeRange = getters.getTimeRangeForCalendarCoveringRange(
+			vobject.calendar.id,
+			component.startDate.unixTime,
+			component.endDate.unixTime,
+		)
+		if (timeRange) {
+			commit('deleteFetchedTimeRangeFromCalendar', {
+				calendar: vobject.calendar,
+				fetchedTimeRangeId: timeRange.id,
+			})
+			commit('removeTimeRange', {
+				timeRangeId: timeRange.id,
+			})
+		}
+
+		// Trigger calendar refresh
 		commit('incrementModificationCount')
 	},