diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/activities/EditActivity.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/activities/EditActivity.kt
index a438dd1a7..86a6c3fdc 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/activities/EditActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/activities/EditActivity.kt
@@ -254,14 +254,15 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
                 val size = resources.getDimension(R.dimen.bottom_filters_thumbnail_height).toInt()
                 val bitmap = Glide.with(this).asBitmap().load(uri).submit(size, size).get()
                 runOnUiThread {
-                    FilterThumbnailsManager.clearThumbs()
+                    val filterThumbnailsManager = FilterThumbnailsManager()
+                    filterThumbnailsManager.clearThumbs()
 
                     FilterPack.getFilterPack(this).forEach {
                         val filterItem = FilterItem(bitmap, it)
-                        FilterThumbnailsManager.addThumb(filterItem)
+                        filterThumbnailsManager.addThumb(filterItem)
                     }
 
-                    val filterItems = FilterThumbnailsManager.processThumbs()
+                    val filterItems = filterThumbnailsManager.processThumbs()
                     val adapter = FiltersAdapter(filterItems) {
 
                     }
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/helpers/FilterThumbnailsManager.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/helpers/FilterThumbnailsManager.kt
index 6ee92ae44..204f54f3b 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/helpers/FilterThumbnailsManager.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/helpers/FilterThumbnailsManager.kt
@@ -4,7 +4,7 @@ import android.graphics.Bitmap
 import com.simplemobiletools.gallery.models.FilterItem
 import java.util.*
 
-object FilterThumbnailsManager {
+class FilterThumbnailsManager {
     private var filterThumbnails = ArrayList<FilterItem>(10)
     private var processedThumbnails = ArrayList<FilterItem>(10)