diff --git a/src/libraries/Microsoft.Extensions.DependencyInjection/src/DependencyInjectionEventSource.cs b/src/libraries/Microsoft.Extensions.DependencyInjection/src/DependencyInjectionEventSource.cs
index 19616694cd0be..a99d3e57855cb 100644
--- a/src/libraries/Microsoft.Extensions.DependencyInjection/src/DependencyInjectionEventSource.cs
+++ b/src/libraries/Microsoft.Extensions.DependencyInjection/src/DependencyInjectionEventSource.cs
@@ -15,7 +15,7 @@ internal sealed class DependencyInjectionEventSource : EventSource
         public static readonly DependencyInjectionEventSource Log = new DependencyInjectionEventSource();
 
         // Event source doesn't support large payloads so we chunk formatted call site tree
-        private int MaxChunkSize = 10 * 1024;
+        private const int MaxChunkSize = 10 * 1024;
 
 
         private DependencyInjectionEventSource() : base(EventSourceSettings.EtwSelfDescribingEventFormat)