diff --git a/src/components/forms/FormImageUploadField/FormImageUploadField.tsx b/src/components/forms/FormImageUploadField/FormImageUploadField.tsx
index a03a2e9f..c377a4cb 100644
--- a/src/components/forms/FormImageUploadField/FormImageUploadField.tsx
+++ b/src/components/forms/FormImageUploadField/FormImageUploadField.tsx
@@ -25,10 +25,12 @@ const defaultAccept = {
   'image/gif': ['.gif']
 } satisfies Accept;
 
+const twentyMegabytes = 20971520;
+
 const FormImageUploadField = <Values extends FieldValues>({
   name,
   accept = defaultAccept,
-  maxSize = 5242880,
+  maxSize = twentyMegabytes,
   maxFiles = 1,
   renderContent = () => null
 }: FormImageUploadFieldProps<Values>) => {
@@ -42,7 +44,7 @@ const FormImageUploadField = <Values extends FieldValues>({
       return;
     }
     uploadImage(file, {
-      onSuccess: data => field.onChange('images', [data])
+      onSuccess: data => field.onChange([data]),
     });
   };