diff --git a/src/Runner.Server/Controllers/MessageController.cs b/src/Runner.Server/Controllers/MessageController.cs
index 5afd811a9a2..f1942d98397 100644
--- a/src/Runner.Server/Controllers/MessageController.cs
+++ b/src/Runner.Server/Controllers/MessageController.cs
@@ -3162,7 +3162,7 @@ private HookResponse AzureDevopsMain(string fileRelativePath, string content, st
                 workflowContext.Flags = flags;
                 List<JobItem> jobgroup = new List<JobItem>();
                 List<JobItem> dependentjobgroup = new List<JobItem>();
-                var fileProvider = new DefaultInMemoryFileProviderFileProvider(workflows, (a, b) => {
+                var fileProvider = new Azure.Devops.DefaultInMemoryFileProviderFileProvider(workflows, (a, b) => {
                     return TryGetFile(runid, a, out var content, b) ? content : null;
                 });
                 var rootVariables = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
diff --git a/src/Sdk/AzurePipelines/DefaultFileProvider.cs b/src/Sdk/AzurePipelines/DefaultFileProvider.cs
index d6ebf8f7df1..85fdd237bac 100644
--- a/src/Sdk/AzurePipelines/DefaultFileProvider.cs
+++ b/src/Sdk/AzurePipelines/DefaultFileProvider.cs
@@ -1,9 +1,12 @@
 using System.Threading.Tasks;
 
-public class DefaultFileProvider : IFileProvider
-{
-    public Task<string> ReadFile(string repositoryAndRef, string path)
+namespace Runner.Server.Azure.Devops {
+
+    public class DefaultFileProvider : IFileProvider
     {
-        return Task.FromResult(System.IO.File.ReadAllText(path));
+        public Task<string> ReadFile(string repositoryAndRef, string path)
+        {
+            return Task.FromResult(System.IO.File.ReadAllText(path));
+        }
     }
 }
\ No newline at end of file
diff --git a/src/Sdk/AzurePipelines/IFileProvider.cs b/src/Sdk/AzurePipelines/IFileProvider.cs
index 5be28173e85..67ff5651534 100644
--- a/src/Sdk/AzurePipelines/IFileProvider.cs
+++ b/src/Sdk/AzurePipelines/IFileProvider.cs
@@ -1,5 +1,8 @@
 using System.Threading.Tasks;
 
-public interface IFileProvider {
-    Task<string> ReadFile(string repositoryAndRef, string path);
+namespace Runner.Server.Azure.Devops {
+
+    public interface IFileProvider {
+        Task<string> ReadFile(string repositoryAndRef, string path);
+    }
 }
\ No newline at end of file
diff --git a/src/Sdk/AzurePipelines/InMemoryFileProvider.cs b/src/Sdk/AzurePipelines/InMemoryFileProvider.cs
index c895dd7633f..e5fc3475ffb 100644
--- a/src/Sdk/AzurePipelines/InMemoryFileProvider.cs
+++ b/src/Sdk/AzurePipelines/InMemoryFileProvider.cs
@@ -3,23 +3,26 @@
 using System;
 using System.Threading.Tasks;
 
-public class DefaultInMemoryFileProviderFileProvider : IFileProvider
-{
-    public DefaultInMemoryFileProviderFileProvider(KeyValuePair<string, string>[] workflows, Func<string, string, string> readFile = null) {
-        Workflows = workflows.ToDictionary(kv => kv.Key, kv => kv.Value);
-        this.readFile = readFile;
-    }
-
-    private Func<string, string, string> readFile;
-    public Dictionary<string, string> Workflows { get; private set; }
+namespace Runner.Server.Azure.Devops {
 
-    public Task<string> ReadFile(string repositoryAndRef, string path)
+    public class DefaultInMemoryFileProviderFileProvider : IFileProvider
     {
-        if(repositoryAndRef == null && Workflows.TryGetValue(path, out var content)) {
-            return Task.FromResult(content);
-        } else if(readFile != null) {
-            return Task.FromResult(readFile(path, repositoryAndRef));
+        public DefaultInMemoryFileProviderFileProvider(KeyValuePair<string, string>[] workflows, Func<string, string, string> readFile = null) {
+            Workflows = workflows.ToDictionary(kv => kv.Key, kv => kv.Value);
+            this.readFile = readFile;
+        }
+
+        private Func<string, string, string> readFile;
+        public Dictionary<string, string> Workflows { get; private set; }
+
+        public Task<string> ReadFile(string repositoryAndRef, string path)
+        {
+            if(repositoryAndRef == null && Workflows.TryGetValue(path, out var content)) {
+                return Task.FromResult(content);
+            } else if(readFile != null) {
+                return Task.FromResult(readFile(path, repositoryAndRef));
+            }
+            return Task.FromResult<string>(null);
         }
-        return Task.FromResult<string>(null);
     }
 }
\ No newline at end of file