diff --git a/core/src/main/java/io/grpc/internal/ReadableBuffers.java b/core/src/main/java/io/grpc/internal/ReadableBuffers.java
index 1435be138d..e512c810f8 100644
--- a/core/src/main/java/io/grpc/internal/ReadableBuffers.java
+++ b/core/src/main/java/io/grpc/internal/ReadableBuffers.java
@@ -415,6 +415,7 @@ public final class ReadableBuffers {
     public InputStream detach() {
       ReadableBuffer detachedBuffer = buffer;
       buffer = buffer.readBytes(0);
+      detachedBuffer.touch();
       return new BufferInputStream(detachedBuffer);
     }