diff --git a/src/objectifier.py b/src/objectifier.py
index b711719..eadc4b4 100644
--- a/src/objectifier.py
+++ b/src/objectifier.py
@@ -120,7 +120,7 @@ def analyze_image(request: Request, image: UploadFile):
         chunk = image.file.read(buffer_size)
         while chunk:
             file_hash.update(chunk)
-            print ("writing " + buffer_size + " bytes")
+            print ("writing " + str(buffer_size) + " bytes")
             f.write(chunk)
             chunk = image.file.read(buffer_size)
     print("save complete")