diff --git a/build/Program.cs b/build/Program.cs
index 19836fcd5..0c5fe344b 100644
--- a/build/Program.cs
+++ b/build/Program.cs
@@ -115,7 +115,11 @@ private static void SignNuGet()
                         "--azure-key-vault-tenant-id ed3089f0-5401-4758-90eb-066124e2d907 " +
                         $"--azure-key-vault-client-secret {signClientSecret} " +
                         "--azure-key-vault-certificate CodeSigning"
-                        ,noEcho: true);
+                        ,noEcho: true, handleExitCode: code =>
+                        {
+                            Console.WriteLine($"In the handleExitCode callback. code: {code}");
+                            return false;
+                        });
             }
         }
     }