diff --git a/comfy_api_nodes/nodes_gemini.py b/comfy_api_nodes/nodes_gemini.py
index 25d747e76..2b77a022e 100644
--- a/comfy_api_nodes/nodes_gemini.py
+++ b/comfy_api_nodes/nodes_gemini.py
@@ -201,6 +201,16 @@ async def get_image_from_response(response: GeminiGenerateContentResponse, thoug
             returned_image = await download_url_to_image_tensor(part.fileData.fileUri)
         image_tensors.append(returned_image)
     if len(image_tensors) == 0:
+        if not thought:
+            # No images generated --> extract text response for a meaningful error
+            model_message = get_text_from_response(response).strip()
+            if model_message:
+                raise ValueError(f"Gemini did not generate an image. Model response: {model_message}")
+            raise ValueError(
+                "Gemini did not generate an image. "
+                "Try rephrasing your prompt or changing the response modality to 'IMAGE+TEXT' "
+                "to see the model's reasoning."
+            )
         return torch.zeros((1, 1024, 1024, 4))
     return torch.cat(image_tensors, dim=0)
 
diff --git a/requirements.txt b/requirements.txt
index d780b2f50..6f0659a00 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 comfyui-frontend-package==1.42.8
-comfyui-workflow-templates==0.9.38
+comfyui-workflow-templates==0.9.39
 comfyui-embedded-docs==0.4.3
 torch
 torchsde
diff --git a/utils/mime_types.py b/utils/mime_types.py
index 916e963c5..a173ad109 100644
--- a/utils/mime_types.py
+++ b/utils/mime_types.py
@@ -24,6 +24,7 @@ def init_mime_types():
     # Web types (used by server.py for static file serving)
     mimetypes.add_type('application/javascript; charset=utf-8', '.js')
     mimetypes.add_type('image/webp', '.webp')
+    mimetypes.add_type('image/svg+xml', '.svg')
 
     # Model and data file types (used by asset scanning / metadata extraction)
     mimetypes.add_type("application/safetensors", ".safetensors")