diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/WidgetTimetable.kt b/app/src/main/java/pl/szczodrzynski/edziennik/WidgetTimetable.kt
index 088f4c60..ab5d21da 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/WidgetTimetable.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/WidgetTimetable.kt
@@ -185,12 +185,12 @@ class WidgetTimetable : AppWidgetProvider() {
             // search for lessons to display
             val timetableDate = Date.getToday()
             var checkedDays = 0
-            var lessons = lessonList.filter { it.profileId == profile.id && it.displayDate == timetableDate }
+            var lessons = lessonList.filter { it.profileId == profile.id && it.displayDate == timetableDate && it.type != Lesson.TYPE_NO_LESSONS }
             while ((lessons.isEmpty() || lessons.none {
                         it.displayDate != today || (it.displayDate == today && it.displayEndTime != null && it.displayEndTime!! >= now)
                     }) && checkedDays < 7) {
                 timetableDate.stepForward(0, 0, 1)
-                lessons = lessonList.filter { it.profileId == profile.id && it.displayDate == timetableDate }
+                lessons = lessonList.filter { it.profileId == profile.id && it.displayDate == timetableDate && it.type != Lesson.TYPE_NO_LESSONS }
                 checkedDays++
             }
 
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventManualV2Dialog.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventManualV2Dialog.kt
index faaab700..1d63ee69 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventManualV2Dialog.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventManualV2Dialog.kt
@@ -50,6 +50,8 @@ class EventManualV2Dialog(
     private var defaultLoaded = false
 
     init { run {
+        if (activity.isFinishing)
+            return@run
         job = Job()
         onShowListener?.invoke(TAG)
         b = DialogEventManualV2Binding.inflate(activity.layoutInflater)
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/timetable/LessonDetailsDialog.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/timetable/LessonDetailsDialog.kt
index 2ad4557b..fb52df03 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/timetable/LessonDetailsDialog.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/timetable/LessonDetailsDialog.kt
@@ -33,6 +33,8 @@ class LessonDetailsDialog(
     private lateinit var dialog: AlertDialog
 
     init { run {
+        if (activity.isFinishing)
+            return@run
         onShowListener?.invoke(TAG)
         b = DialogLessonDetailsBinding.inflate(activity.layoutInflater)
         dialog = MaterialAlertDialogBuilder(activity)
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 7ddd4838..9edbc9cb 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
\ No newline at end of file
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
\ No newline at end of file