diff --git a/dotnet/DemoEventTicket.cs b/dotnet/DemoEventTicket.cs
index 2d507f0..a665c09 100644
--- a/dotnet/DemoEventTicket.cs
+++ b/dotnet/DemoEventTicket.cs
@@ -69,7 +69,7 @@ class DemoEventTicket
         .FromFile(keyFilePath)
         .CreateScoped(new List<string>
         {
-          "https://www.googleapis.com/auth/wallet_object.issuer"
+          WalletobjectsService.ScopeConstants.WalletObjectIssuer
         })
         .UnderlyingCredential;
 
diff --git a/dotnet/DemoFlight.cs b/dotnet/DemoFlight.cs
index 5658076..4bd27c4 100644
--- a/dotnet/DemoFlight.cs
+++ b/dotnet/DemoFlight.cs
@@ -69,7 +69,7 @@ class DemoFlight
         .FromFile(keyFilePath)
         .CreateScoped(new List<string>
         {
-          "https://www.googleapis.com/auth/wallet_object.issuer"
+          WalletobjectsService.ScopeConstants.WalletObjectIssuer
         })
         .UnderlyingCredential;
 
diff --git a/dotnet/DemoGeneric.cs b/dotnet/DemoGeneric.cs
index 9dc0cb5..431a942 100644
--- a/dotnet/DemoGeneric.cs
+++ b/dotnet/DemoGeneric.cs
@@ -69,7 +69,7 @@ class DemoGeneric
         .FromFile(keyFilePath)
         .CreateScoped(new List<string>
         {
-          "https://www.googleapis.com/auth/wallet_object.issuer"
+          WalletobjectsService.ScopeConstants.WalletObjectIssuer
         })
         .UnderlyingCredential;
 
diff --git a/dotnet/DemoGiftCard.cs b/dotnet/DemoGiftCard.cs
index 3e83b05..0a3bdca 100644
--- a/dotnet/DemoGiftCard.cs
+++ b/dotnet/DemoGiftCard.cs
@@ -69,7 +69,7 @@ class DemoGiftCard
         .FromFile(keyFilePath)
         .CreateScoped(new List<string>
         {
-          "https://www.googleapis.com/auth/wallet_object.issuer"
+          WalletobjectsService.ScopeConstants.WalletObjectIssuer
         })
         .UnderlyingCredential;
 
diff --git a/dotnet/DemoLoyalty.cs b/dotnet/DemoLoyalty.cs
index 002597c..3ba1312 100644
--- a/dotnet/DemoLoyalty.cs
+++ b/dotnet/DemoLoyalty.cs
@@ -69,7 +69,7 @@ class DemoLoyalty
         .FromFile(keyFilePath)
         .CreateScoped(new List<string>
         {
-          "https://www.googleapis.com/auth/wallet_object.issuer"
+          WalletobjectsService.ScopeConstants.WalletObjectIssuer
         })
         .UnderlyingCredential;
 
diff --git a/dotnet/DemoOffer.cs b/dotnet/DemoOffer.cs
index 2e6ee31..8a2048c 100644
--- a/dotnet/DemoOffer.cs
+++ b/dotnet/DemoOffer.cs
@@ -69,7 +69,7 @@ class DemoOffer
         .FromFile(keyFilePath)
         .CreateScoped(new List<string>
         {
-          "https://www.googleapis.com/auth/wallet_object.issuer"
+          WalletobjectsService.ScopeConstants.WalletObjectIssuer
         })
         .UnderlyingCredential;
 
diff --git a/dotnet/DemoTransit.cs b/dotnet/DemoTransit.cs
index 04b04ff..0036fc4 100644
--- a/dotnet/DemoTransit.cs
+++ b/dotnet/DemoTransit.cs
@@ -69,7 +69,7 @@ class DemoTransit
         .FromFile(keyFilePath)
         .CreateScoped(new List<string>
         {
-          "https://www.googleapis.com/auth/wallet_object.issuer"
+          WalletobjectsService.ScopeConstants.WalletObjectIssuer
         })
         .UnderlyingCredential;