diff --git a/src/csharp/Grpc.Core/Profiling/Profilers.cs b/src/csharp/Grpc.Core/Profiling/Profilers.cs
index aa0d96c0e02..6afabff6a79 100644
--- a/src/csharp/Grpc.Core/Profiling/Profilers.cs
+++ b/src/csharp/Grpc.Core/Profiling/Profilers.cs
@@ -80,7 +80,7 @@ namespace Grpc.Core.Profiling
         ProfilerEntry[] entries;
         int count;
 
-        public BasicProfiler() : this(1024*1024)
+        public BasicProfiler() : this(20*1024*1024)
         {
         }