diff --git a/lama_cleaner/model/mat.py b/lama_cleaner/model/mat.py
index 36a8a8e..3e09bf4 100644
--- a/lama_cleaner/model/mat.py
+++ b/lama_cleaner/model/mat.py
@@ -1872,7 +1872,7 @@ MAT_MODEL_MD5 = os.environ.get("MAT_MODEL_MD5", "8ca927835fa3f5e21d65ffcb165377e
 
 class MAT(InpaintModel):
     name = "mat"
-    min_size = 1024
+    min_size = 512
     pad_mod = 512
     pad_to_square = True