diff --git a/Rock.JavaScript.Obsidian.Blocks/src/Event/RegistrationEntry/feeField.partial.ts b/Rock.JavaScript.Obsidian.Blocks/src/Event/RegistrationEntry/feeField.partial.ts
index dfd378ca87a..ce0878ae70d 100644
--- a/Rock.JavaScript.Obsidian.Blocks/src/Event/RegistrationEntry/feeField.partial.ts
+++ b/Rock.JavaScript.Obsidian.Blocks/src/Event/RegistrationEntry/feeField.partial.ts
@@ -98,7 +98,8 @@ export default defineComponent({
         dropDownListOptions(): ListItemBag[] {
             return this.fee.items.map(i => ({
                 text: this.getItemLabel(i),
-                value: i.guid
+                value: i.guid,
+                disabled: (i.countRemaining != null && i.countRemaining < 1)
             }));
         },
         numberUpDownGroupOptions(): NumberUpDownGroupOption[] {