diff --git a/src/data/dv.cpp b/src/data/dv.cpp
index 323698f6..a61beb21 100644
--- a/src/data/dv.cpp
+++ b/src/data/dv.cpp
@@ -1,5 +1,7 @@
 #include "dv.hpp"
 
+#include <iostream>
+
 #include "util/Buffer.hpp"
 
 namespace dv {