diff --git a/src/layouts/address-lookup/address-lookup.vue b/src/layouts/address-lookup/address-lookup.vue
index 8cde8a949..306217a65 100644
--- a/src/layouts/address-lookup/address-lookup.vue
+++ b/src/layouts/address-lookup/address-lookup.vue
@@ -372,7 +372,7 @@ export default {
 			handler(newValue) {
 				// if the Service Zip Code field is ever hidden, clear out it's value
 				if (!newValue) {
-					this.serviceZipCode = "";
+					this.serviceZipCode = null;
 				}			
 			},			
 		}