diff --git a/test/tz_test/validate.cpp b/test/tz_test/validate.cpp
index 67bbf01..2202b37 100644
--- a/test/tz_test/validate.cpp
+++ b/test/tz_test/validate.cpp
@@ -1,4 +1,4 @@
-#include "tz.h"
+#include "date/tz.h"
 #include <iostream>
 
 void