diff --git a/config/schema/fontawesome_iconpicker.yml b/config/schema/fontawesome_iconpicker.yml
index 326f57e..90caf1e 100644
--- a/config/schema/fontawesome_iconpicker.yml
+++ b/config/schema/fontawesome_iconpicker.yml
@@ -10,8 +10,8 @@ field.widget.settings.fontawesome_iconpicker:
   label: 'Widget settings'
   mapping:
     size:
-      type: string
-      label: 'Icon size'
+      type: integer
+      label: 'Field size'
     placeholder:
       type: string
       label: 'Placeholder'