diff --git a/core/modules/image/config/schema/image.schema.yml b/core/modules/image/config/schema/image.schema.yml
index 4374bb2..3e1367e 100644
--- a/core/modules/image/config/schema/image.schema.yml
+++ b/core/modules/image/config/schema/image.schema.yml
@@ -64,7 +64,7 @@ image.effect.image_scale:
 
 # The image desaturate has no settings.
 image.effect.image_desaturate:
-  type: ignore
+  type: sequence
 
 image.effect.image_scale_and_crop:
   type: image_size