diff --git a/delay/tests/test_mix.cpp b/delay/tests/test_mix.cpp
index d802d92..3507485 100644
--- a/delay/tests/test_mix.cpp
+++ b/delay/tests/test_mix.cpp
@@ -48,7 +48,7 @@ int test_mix_2()
 {
 	dsp::BufferMulti<int> r_buf(5, 20);
 
-	for (int i=0; i < r_buf.capacity(); i++)
+	for (int i=0; i < 20; i++)
 	{
 		r_buf = 100 +i ;
 		++r_buf;
@@ -57,14 +57,14 @@ int test_mix_2()
 	r_buf.reset();
 	for (int c=0; c < r_buf.numChannels(); c++)
 	{
-		print(r_buf[c], r_buf.capacity(), "r-buf");
+		print(r_buf[c], 20, "r-buf");
 		std::cout << "----------------------------------------------" << std::endl;
 	}
 
 	for (int c=0; c < r_buf.numChannels(); c++)
 	{
 		dsp::Buffer<int> v(r_buf[c], c);
-		print(v, r_buf.capacity(), "v-buf");
+		print(v, 20, "v-buf");
 		std::cout << "----------------------------------------------" << std::endl;
 	}