diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt
index 7aa5acbc4..de063e607 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt
@@ -305,7 +305,9 @@ class MainActivity : SimpleActivity(), NavigationListener {
     private fun importEventsDialog(path: String) {
         ImportEventsDialog(this, path) {
             if (it) {
-                updateViewPager()
+                runOnUiThread {
+                    updateViewPager()
+                }
             }
         }
     }