diff --git a/modules/textual_inversion/dataset.py b/modules/textual_inversion/dataset.py
index 23bb4b6a6..5b1c5002f 100644
--- a/modules/textual_inversion/dataset.py
+++ b/modules/textual_inversion/dataset.py
@@ -83,7 +83,7 @@ class PersonalizedBase(Dataset):
 
             self.dataset.append(entry)
 
-        assert len(self.dataset) > 1, "No images have been found in the dataset."
+        assert len(self.dataset) > 0, "No images have been found in the dataset."
         self.length = len(self.dataset) * repeats // batch_size
 
         self.initial_indexes = np.arange(len(self.dataset))
@@ -91,7 +91,7 @@ class PersonalizedBase(Dataset):
         self.shuffle()
 
     def shuffle(self):
-        self.indexes = self.initial_indexes[torch.randperm(self.initial_indexes.shape[0])]
+        self.indexes = self.initial_indexes[torch.randperm(self.initial_indexes.shape[0]).numpy()]
 
     def create_text(self, filename_text):
         text = random.choice(self.lines)