diff --git a/internal/api/index.go b/internal/api/index.go
index 04a88fe4b..69b5bea5e 100644
--- a/internal/api/index.go
+++ b/internal/api/index.go
@@ -69,6 +69,10 @@ func StartIndexing(router *gin.RouterGroup) {
 
 		log.Infof("index: updated %s [%s]", english.Plural(updated, "file", "files"), time.Since(indexStart))
 
+		event.Publish("index.updating", event.Data{
+			"step": "purge",
+		})
+
 		RemoveFromFolderCache(entity.RootOriginals)
 
 		// Configure purge options.
diff --git a/internal/photoprism/index.go b/internal/photoprism/index.go
index db271a543..8705bbc7b 100644
--- a/internal/photoprism/index.go
+++ b/internal/photoprism/index.go
@@ -227,15 +227,15 @@ func (ind *Index) Start(o IndexOptions) (found fs.Done, updated int) {
 
 			var files MediaFiles
 
-			if related.Main == nil {
+			if f := related.Main; f == nil {
 				// Nothing to do.
 				return nil
-			} else if limitErr, fileSize := related.Main.ExceedsBytes(o.ByteLimit); fileSize == 0 {
-				found[fileName] = fs.Found
+			} else if limitErr, fileSize := f.ExceedsBytes(o.ByteLimit); fileSize == 0 {
+				found[f.FileName()] = fs.Found
 				return nil
 			} else if limitErr != nil {
 				log.Warnf("index: %s", limitErr)
-				found[fileName] = fs.Processed
+				found[f.FileName()] = fs.Processed
 				return nil
 			}
 
diff --git a/internal/photoprism/mediafile_test.go b/internal/photoprism/mediafile_test.go
index 99fc17bac..96771f91b 100644
--- a/internal/photoprism/mediafile_test.go
+++ b/internal/photoprism/mediafile_test.go
@@ -1968,7 +1968,7 @@ func TestMediaFile_ExceedsBytes(t *testing.T) {
 		} else {
 			err, actual := f.ExceedsBytes(-1)
 			assert.NoError(t, err)
-			assert.Equal(t, int64(0), actual)
+			assert.Equal(t, int64(128471), actual)
 			assert.True(t, f.Ok())
 			assert.False(t, f.Empty())
 		}
@@ -1979,7 +1979,7 @@ func TestMediaFile_ExceedsBytes(t *testing.T) {
 		} else {
 			err, actual := f.ExceedsBytes(0)
 			assert.NoError(t, err)
-			assert.Equal(t, int64(0), actual)
+			assert.Equal(t, int64(162877), actual)
 			assert.True(t, f.Ok())
 			assert.False(t, f.Empty())
 		}