diff --git a/homeassistant/components/jewish_calendar/services.yaml b/homeassistant/components/jewish_calendar/services.yaml
index b0fa2cfef6c..894fa30fee3 100644
--- a/homeassistant/components/jewish_calendar/services.yaml
+++ b/homeassistant/components/jewish_calendar/services.yaml
@@ -6,6 +6,7 @@ count_omer:
       selector:
         date:
     nusach:
+      required: true
       example: "sfarad"
       default: "sfarad"
       selector: