diff --git a/src/store/index.js b/src/store/index.js
index c41d51d05..c93ddf90a 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -497,7 +497,6 @@ export const mutations = {
     },
     updateExternalParameterPhoneNumber(state, phoneNumber) {
         externalParameterState.customer.phoneNumber = phoneNumber;
-        state.order.customer.phoneNumber = externalParameterState.customer.phoneNumber;
         saveExternalParameterState(externalParameterState);
     },
     //RESET ExternalParameter MUTATIONS