diff --git a/proto-google-cloud-billingbudgets-v1/src/main/java/com/google/cloud/billing/budgets/v1/BillingAccountName.java b/proto-google-cloud-billingbudgets-v1/src/main/java/com/google/cloud/billing/budgets/v1/BillingAccountName.java
index b4548d52..53e59c8e 100644
--- a/proto-google-cloud-billingbudgets-v1/src/main/java/com/google/cloud/billing/budgets/v1/BillingAccountName.java
+++ b/proto-google-cloud-billingbudgets-v1/src/main/java/com/google/cloud/billing/budgets/v1/BillingAccountName.java
@@ -158,7 +158,7 @@ public Builder setBillingAccount(String billingAccount) {
     }
 
     private Builder(BillingAccountName billingAccountName) {
-      billingAccount = billingAccountName.billingAccount;
+      this.billingAccount = billingAccountName.billingAccount;
     }
 
     public BillingAccountName build() {
diff --git a/proto-google-cloud-billingbudgets-v1/src/main/java/com/google/cloud/billing/budgets/v1/BudgetName.java b/proto-google-cloud-billingbudgets-v1/src/main/java/com/google/cloud/billing/budgets/v1/BudgetName.java
index 5cb6314e..cec17220 100644
--- a/proto-google-cloud-billingbudgets-v1/src/main/java/com/google/cloud/billing/budgets/v1/BudgetName.java
+++ b/proto-google-cloud-billingbudgets-v1/src/main/java/com/google/cloud/billing/budgets/v1/BudgetName.java
@@ -181,8 +181,8 @@ public Builder setBudget(String budget) {
     }
 
     private Builder(BudgetName budgetName) {
-      billingAccount = budgetName.billingAccount;
-      budget = budgetName.budget;
+      this.billingAccount = budgetName.billingAccount;
+      this.budget = budgetName.budget;
     }
 
     public BudgetName build() {
diff --git a/proto-google-cloud-billingbudgets-v1beta1/src/main/java/com/google/cloud/billing/budgets/v1beta1/BillingAccountName.java b/proto-google-cloud-billingbudgets-v1beta1/src/main/java/com/google/cloud/billing/budgets/v1beta1/BillingAccountName.java
index 962d57c6..f7d33a3c 100644
--- a/proto-google-cloud-billingbudgets-v1beta1/src/main/java/com/google/cloud/billing/budgets/v1beta1/BillingAccountName.java
+++ b/proto-google-cloud-billingbudgets-v1beta1/src/main/java/com/google/cloud/billing/budgets/v1beta1/BillingAccountName.java
@@ -158,7 +158,7 @@ public Builder setBillingAccount(String billingAccount) {
     }
 
     private Builder(BillingAccountName billingAccountName) {
-      billingAccount = billingAccountName.billingAccount;
+      this.billingAccount = billingAccountName.billingAccount;
     }
 
     public BillingAccountName build() {
diff --git a/proto-google-cloud-billingbudgets-v1beta1/src/main/java/com/google/cloud/billing/budgets/v1beta1/BudgetName.java b/proto-google-cloud-billingbudgets-v1beta1/src/main/java/com/google/cloud/billing/budgets/v1beta1/BudgetName.java
index 465d8dc8..f2469d64 100644
--- a/proto-google-cloud-billingbudgets-v1beta1/src/main/java/com/google/cloud/billing/budgets/v1beta1/BudgetName.java
+++ b/proto-google-cloud-billingbudgets-v1beta1/src/main/java/com/google/cloud/billing/budgets/v1beta1/BudgetName.java
@@ -181,8 +181,8 @@ public Builder setBudget(String budget) {
     }
 
     private Builder(BudgetName budgetName) {
-      billingAccount = budgetName.billingAccount;
-      budget = budgetName.budget;
+      this.billingAccount = budgetName.billingAccount;
+      this.budget = budgetName.budget;
     }
 
     public BudgetName build() {