diff --git a/source/net/filebot/ui/SupportDialog.java b/source/net/filebot/ui/SupportDialog.java
index d17f87c4..dd678c22 100644
--- a/source/net/filebot/ui/SupportDialog.java
+++ b/source/net/filebot/ui/SupportDialog.java
@@ -86,15 +86,17 @@ public enum SupportDialog {
 	};
 
 	public boolean feelingLucky(int sessionRenameCount, int totalRenameCount, int currentRevision, int lastSupportRevision, int supportRevisionCount) {
-		// ask only once per revision
-		if (currentRevision <= lastSupportRevision && this == AppStoreReview) {
+		// ask for reviews only once per revision
+		if (currentRevision <= lastSupportRevision && isAppStore()) {
 			return false;
 		}
 
-		if (sessionRenameCount >= 2000) {
+		// always lucky if many files are processed in a single session
+		if (sessionRenameCount >= 2000 * Math.pow(2, supportRevisionCount)) {
 			return true;
 		}
 
+		// sometimes lucky if many files have been processed over time
 		return totalRenameCount >= 1000 * Math.pow(4, supportRevisionCount) && Math.random() >= 0.777;
 	}
 
diff --git a/test/net/filebot/ui/SupportDialogTest.java b/test/net/filebot/ui/SupportDialogTest.java
index 92af17db..f53d3640 100644
--- a/test/net/filebot/ui/SupportDialogTest.java
+++ b/test/net/filebot/ui/SupportDialogTest.java
@@ -11,10 +11,11 @@ public class SupportDialogTest {
 	@Test
 	public void feelingLucky() {
 		assertTrue(SupportDialog.AppStoreReview.feelingLucky(2000, 2000, 500, 400, 0));
-		assertFalse(SupportDialog.AppStoreReview.feelingLucky(2000, 2000, 400, 400, 0));
+		assertFalse(SupportDialog.AppStoreReview.feelingLucky(2000, 2000, 400, 400, 1));
 
 		assertTrue(SupportDialog.Donation.feelingLucky(2000, 2000, 400, 400, 0));
 		assertFalse(SupportDialog.Donation.feelingLucky(100, 100, 400, 400, 0));
+		assertFalse(SupportDialog.Donation.feelingLucky(2000, 2000, 400, 400, 1));
 
 		assertTrue(IntStream.range(0, 100).anyMatch(i -> SupportDialog.Donation.feelingLucky(0, 5000, 400, 400, 0)));
 		assertFalse(IntStream.range(0, 100).anyMatch(i -> SupportDialog.Donation.feelingLucky(0, 5000, 400, 400, 2)));