diff --git a/src/Runner.Worker/GitHubContext.cs b/src/Runner.Worker/GitHubContext.cs
index 541199b836d..7a707d1a9b0 100644
--- a/src/Runner.Worker/GitHubContext.cs
+++ b/src/Runner.Worker/GitHubContext.cs
@@ -10,6 +10,7 @@ public sealed class GitHubContext : DictionaryContextData, IEnvironmentContextDa
         {
             "action",
             "actor",
+            "api_url", // temp for GHES alpha release
             "base_ref",
             "event_name",
             "event_path",
@@ -21,6 +22,7 @@ public sealed class GitHubContext : DictionaryContextData, IEnvironmentContextDa
             "run_id",
             "run_number",
             "sha",
+            "url", // temp for GHES alpha release
             "workflow",
             "workspace",
         };
diff --git a/src/Runner.Worker/JobExtension.cs b/src/Runner.Worker/JobExtension.cs
index fe3a1ed24d8..927b111f721 100644
--- a/src/Runner.Worker/JobExtension.cs
+++ b/src/Runner.Worker/JobExtension.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Runtime.Serialization;
@@ -127,6 +128,17 @@ public async Task<List<IStep>> InitializeJob(IExecutionContext jobContext, Pipel
                     context.SetRunnerContext("workspace", Path.Combine(_workDirectory, trackingConfig.PipelineDirectory));
                     context.SetGitHubContext("workspace", Path.Combine(_workDirectory, trackingConfig.WorkspaceDirectory));
 
+                    // Temporary hack for GHES alpha
+                    var configurationStore = HostContext.GetService<IConfigurationStore>();
+                    var runnerSettings = configurationStore.GetSettings();
+                    if (!runnerSettings.IsHostedServer && !string.IsNullOrEmpty(runnerSettings.GitHubUrl))
+                    {
+                        var url = new Uri(runnerSettings.GitHubUrl);
+                        var portInfo = url.IsDefaultPort ? string.Empty : $":{url.Port.ToString(CultureInfo.InvariantCulture)}";
+                        context.SetGitHubContext("url", $"{url.Scheme}://{url.Host}{portInfo}");
+                        context.SetGitHubContext("api_url", $"{url.Scheme}://api.{url.Host}{portInfo}");
+                    }
+
                     // Evaluate the job-level environment variables
                     context.Debug("Evaluating job-level environment variables");
                     var templateEvaluator = context.ToPipelineTemplateEvaluator();