diff --git a/api/onnx_web/convert/diffusion/textual_inversion.py b/api/onnx_web/convert/diffusion/textual_inversion.py
index 5aa4b715..a13f5203 100644
--- a/api/onnx_web/convert/diffusion/textual_inversion.py
+++ b/api/onnx_web/convert/diffusion/textual_inversion.py
@@ -65,14 +65,24 @@ def blend_textual_inversions(
             num_tokens = trained_embeds.shape[0]
             logger.debug("generating %s layer tokens for %s", num_tokens, name)
 
+            sum_layer = np.zeros(trained_embeds[0, :].shape)
+
             for i in range(num_tokens):
                 token = f"{base_token or name}-{i}"
                 layer = trained_embeds[i, :].cpu().numpy().astype(dtype)
                 layer *= weight
+                sum_layer += layer
                 if token in embeds:
                     embeds[token] += layer
                 else:
                     embeds[token] = layer
+
+            # add sum layer to embeds
+            sum_token = f"{base_token or name}-all"
+            if sum_token in embeds:
+                embeds[sum_token] += sum_layer
+            else:
+                embeds[sum_token] = sum_layer
         else:
             raise ValueError(f"unknown Textual Inversion format: {format}")