diff --git a/test/zdbpp.cpp b/test/zdbpp.cpp
index 40d2eee..3fde62a 100644
--- a/test/zdbpp.cpp
+++ b/test/zdbpp.cpp
@@ -1,6 +1,7 @@
 #include <iostream>
 #include <string>
 #include <map>
+#include <assert.h>
 
 #include "zdbpp.h"
 using namespace zdb;