diff --git a/src/csharp/Grpc.IntegrationTesting/Settings.StyleCop b/src/csharp/Grpc.IntegrationTesting/Settings.StyleCop
index d4db7ad7213..746f2ef5ce1 100644
--- a/src/csharp/Grpc.IntegrationTesting/Settings.StyleCop
+++ b/src/csharp/Grpc.IntegrationTesting/Settings.StyleCop
@@ -1,10 +1,10 @@
 <StyleCopSettings Version="105">
   <SourceFileList>
     <SourceFile>Empty.cs</SourceFile>
-	<SourceFile>Control.cs</SourceFile>
-	<SourceFile>Messages.cs</SourceFile>
-	<SourceFile>Payloads.cs</SourceFile>
-	<SourceFile>Stats.cs</SourceFile>
+    <SourceFile>Control.cs</SourceFile>
+    <SourceFile>Messages.cs</SourceFile>
+    <SourceFile>Payloads.cs</SourceFile>
+    <SourceFile>Stats.cs</SourceFile>
     <Settings>
     <GlobalSettings>
       <BooleanProperty Name="RulesEnabledByDefault">False</BooleanProperty>