diff --git a/invokeai/frontend/web/src/features/controlLayers/util/controlAdapters.ts b/invokeai/frontend/web/src/features/controlLayers/util/controlAdapters.ts
index f9dc114767..b643e4a64d 100644
--- a/invokeai/frontend/web/src/features/controlLayers/util/controlAdapters.ts
+++ b/invokeai/frontend/web/src/features/controlLayers/util/controlAdapters.ts
@@ -195,7 +195,7 @@ const zBeginEndStepPct = z
 
 const zControlAdapterBase = z.object({
   id: zId,
-  weight: z.number().gte(0).lte(0),
+  weight: z.number().gte(0).lte(1),
   image: zImageWithDims.nullable(),
   processedImage: zImageWithDims.nullable(),
   isProcessingImage: z.boolean(),