diff --git a/manga_ocr/ocr.py b/manga_ocr/ocr.py
index 8710353..ee188b4 100644
--- a/manga_ocr/ocr.py
+++ b/manga_ocr/ocr.py
@@ -39,7 +39,7 @@ class MangaOcr:
         img = img.convert('L').convert('RGB')
 
         x = self._preprocess(img)
-        x = self.model.generate(x[None].to(self.model.device))[0].cpu()
+        x = self.model.generate(x[None].to(self.model.device), max_length=300)[0].cpu()
         x = self.tokenizer.decode(x, skip_special_tokens=True)
         x = post_process(x)
         return x