diff --git a/recipes/Img2Img.py b/recipes/Img2Img.py
index 8562789b2..3bc6f169c 100644
--- a/recipes/Img2Img.py
+++ b/recipes/Img2Img.py
@@ -43,9 +43,9 @@ class RequestModel(BaseModel):
         text_prompt: str | None
 
         selected_model: typing.Literal[tuple(e.name for e in Img2ImgModels)] | None
-        selected_controlnet_model: typing.Literal[
-            tuple(e.name for e in ControlNetModels)
-        ] | None
+        selected_controlnet_model: list[
+            typing.Literal[tuple(e.name for e in ControlNetModels)]
+        ] | typing.Literal[tuple(e.name for e in ControlNetModels)] | None
         negative_prompt: str | None
 
         num_outputs: int | None