diff --git a/src/ZB.MOM.WW.ScadaBridge.CLI/Commands/DeployCommands.cs b/src/ZB.MOM.WW.ScadaBridge.CLI/Commands/DeployCommands.cs
index 62a20704..caf208d4 100644
--- a/src/ZB.MOM.WW.ScadaBridge.CLI/Commands/DeployCommands.cs
+++ b/src/ZB.MOM.WW.ScadaBridge.CLI/Commands/DeployCommands.cs
@@ -115,7 +115,8 @@ public static class DeployCommands
                 result, urlOption, formatOption, usernameOption, passwordOption,
                 new MgmtDeployAreaCommand(areaId, force),
                 timeout: BulkDeployTimeout,
-                onSuccess: json => HandleSiteDeploymentResponse(json, CommandHelpers.ResolveFormat(result, formatOption, CliConfig.Load())));
+                onSuccess: json => HandleSiteDeploymentResponse(
+                    json, CommandHelpers.ResolveFormat(result, formatOption, CliConfig.Load()), "area deployment"));
         });
         return cmd;
     }
diff --git a/tests/ZB.MOM.WW.ScadaBridge.CLI.Tests/DeployAreaExitCodeTests.cs b/tests/ZB.MOM.WW.ScadaBridge.CLI.Tests/DeployAreaExitCodeTests.cs
index 557154ac..f77e27ab 100644
--- a/tests/ZB.MOM.WW.ScadaBridge.CLI.Tests/DeployAreaExitCodeTests.cs
+++ b/tests/ZB.MOM.WW.ScadaBridge.CLI.Tests/DeployAreaExitCodeTests.cs
@@ -13,6 +13,7 @@ namespace ZB.MOM.WW.ScadaBridge.CLI.Tests;
 /// exactly like <c>deploy site</c>: a per-instance failure is a successful HTTP
 /// call, so without that a script could not detect it.
 /// </summary>
+[Collection("Console")]
 public class DeployAreaExitCodeTests
 {
     /// <summary>Verifies the wire payload and the exit code derived from the summary.</summary>
@@ -65,8 +66,23 @@ public class DeployAreaExitCodeTests
             string[] args = ["deploy", "area", "--id", "12", "--url", $"http://127.0.0.1:{port}",
                 "--username", "test", "--password", "test", "--format", "json"];
             if (force) args = [.. args, "--force"];
-            var exit = await root.Parse(args).InvokeAsync();
-            await server.WaitAsync(TimeSpan.FromSeconds(5));
+            var stderr = new StringWriter();
+            var originalError = Console.Error;
+            Console.SetError(stderr);
+            int exit;
+            try
+            {
+                exit = await root.Parse(args).InvokeAsync();
+                await server.WaitAsync(TimeSpan.FromSeconds(5));
+            }
+            finally
+            {
+                Console.SetError(originalError);
+            }
+
+            // A malformed summary is named for what was asked: an AREA deployment.
+            if (response.Contains("unexpected"))
+                Assert.Contains("invalid area deployment summary", stderr.ToString());
 
             Assert.Equal(expected, exit);
             using var payload = JsonDocument.Parse(requestBody!);