diff --git a/pkg/stripper/comments_example_test.go b/pkg/stripper/comments_example_test.go
index 41b2699..924ea7b 100644
--- a/pkg/stripper/comments_example_test.go
+++ b/pkg/stripper/comments_example_test.go
@@ -21,7 +21,8 @@ e: f
 
 	comStrip := stripper.NewCommentStripper(r)
 
-	io.Copy(os.Stdout, comStrip)
+	// using CopyBuffer to force smaller Read sizes (better testing coverage that way)
+	io.CopyBuffer(os.Stdout, comStrip, make([]byte, 32))
 
 	// Output:
 	// a: b