diff --git a/app/src/main/java/org/koitharu/kotatsu/utils/PendingIntentCompat.kt b/app/src/main/java/org/koitharu/kotatsu/utils/PendingIntentCompat.kt
index 4169a571d..c99050819 100644
--- a/app/src/main/java/org/koitharu/kotatsu/utils/PendingIntentCompat.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/utils/PendingIntentCompat.kt
@@ -10,4 +10,10 @@ object PendingIntentCompat {
 	} else {
 		0
 	}
+
+	val FLAG_MUTABLE = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+		PendingIntent.FLAG_MUTABLE
+	} else {
+		0
+	}
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/koitharu/kotatsu/widget/recent/RecentWidgetProvider.kt b/app/src/main/java/org/koitharu/kotatsu/widget/recent/RecentWidgetProvider.kt
index 63a2816ae..a5c6bb748 100644
--- a/app/src/main/java/org/koitharu/kotatsu/widget/recent/RecentWidgetProvider.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/widget/recent/RecentWidgetProvider.kt
@@ -31,7 +31,7 @@ class RecentWidgetProvider : AppWidgetProvider() {
 					context,
 					0,
 					intent,
-					PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
+					PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_MUTABLE
 				)
 			)
 			views.setEmptyView(R.id.stackView, R.id.textView_holder)
diff --git a/app/src/main/java/org/koitharu/kotatsu/widget/shelf/ShelfWidgetProvider.kt b/app/src/main/java/org/koitharu/kotatsu/widget/shelf/ShelfWidgetProvider.kt
index 334941d51..7b3ba2059 100644
--- a/app/src/main/java/org/koitharu/kotatsu/widget/shelf/ShelfWidgetProvider.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/widget/shelf/ShelfWidgetProvider.kt
@@ -31,7 +31,7 @@ class ShelfWidgetProvider : AppWidgetProvider() {
 					context,
 					0,
 					intent,
-					PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
+					PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_MUTABLE
 				)
 			)
 			views.setEmptyView(R.id.gridView, R.id.textView_holder)