diff --git a/preprocessor_config.json b/preprocessor_config.json
index b7ae9d7..b2be43c 100644
--- a/preprocessor_config.json
+++ b/preprocessor_config.json
@@ -14,5 +14,8 @@
     0.27577711
   ],
   "resample": 3,
-  "size": 224
+  "size": {
+    'height': 224, 
+    'width': 224
+  }
 }
\ No newline at end of file