diff --git a/backend/apps/files/tasks.py b/backend/apps/files/tasks.py
index 5228237..a3faa28 100644
--- a/backend/apps/files/tasks.py
+++ b/backend/apps/files/tasks.py
@@ -112,15 +112,17 @@ def generate_video_thumbnail(
 
             subprocess.run(cmd, check=True)
 
+            thumbnail_hash_blake3 = compute_file_hash_blake3(thumbnail_file_path)
+
+            if pstfile.thumbnail_hash_blake3 == thumbnail_hash_blake3:
+                return "Thumbnail already exists for this video file."
+
             # Update the PostFileModel's thumbnail field with the new file
             with open(thumbnail_file_path, "rb") as file:
                 pstfile.thumbnail.save(thumbnail_filename, file)
 
-            pstfile.thumbnail_hash_blake3 = compute_file_hash_blake3(
-                thumbnail_file_path
-            )
+            pstfile.thumbnail_hash_blake3 = thumbnail_hash_blake3
 
-            print(compute_blur_hash(thumbnail_file_path))
             pstfile.thumbnail_blur_hash = compute_blur_hash(thumbnail_file_path)
 
             pstfile.save()