diff --git a/invokeai/app/invocations/generate.py b/invokeai/app/invocations/generate.py
index df79baa0f3..0bf48eefcf 100644
--- a/invokeai/app/invocations/generate.py
+++ b/invokeai/app/invocations/generate.py
@@ -247,8 +247,8 @@ class InpaintInvocation(ImageToImageInvocation):
 
         outputs = Inpaint(model).generate(
             prompt=self.prompt,
-            init_img=image,
-            init_mask=mask,
+            init_image=image,
+            mask_image=mask,
             step_callback=partial(self.dispatch_progress, context, source_node_id),
             **self.dict(
                 exclude={"prompt", "image", "mask"}