diff --git a/tests/test-block.cpp b/tests/test-block.cpp
index bed9958..a4183f9 100644
--- a/tests/test-block.cpp
+++ b/tests/test-block.cpp
@@ -11,6 +11,7 @@
  */
 
 #include "encoding/encoding-buffer.hpp"
+#include "encoding/buffer-stream.hpp"
 
 #include "boost-test.hpp"