diff --git a/test/static_exception_test.cpp b/test/static_exception_test.cpp
index 3452445..914736d 100644
--- a/test/static_exception_test.cpp
+++ b/test/static_exception_test.cpp
@@ -19,6 +19,7 @@
 #include <malloc.h>
 #include <dlfcn.h>
 #include <gtest/gtest.h>
+#include <iomanip>
 
 
 #include "SomeClass.hpp"