diff --git a/config/schema/entity_reference_display.schema.yml b/config/schema/entity_reference_display.schema.yml
new file mode 100644
index 0000000..e8d5ec6
--- /dev/null
+++ b/config/schema/entity_reference_display.schema.yml
@@ -0,0 +1,7 @@
+field.formatter.settings.entity_reference_display_default:
+  type: field.formatter.settings.entity_reference_entity_view
+  label: 'Entity reference display formatter settings'
+  mapping:
+    display_field:
+      label: 'Display field'
+      type: string