diff --git a/source/test/small_vector_test.cpp b/source/test/small_vector_test.cpp
index 387c6a9..c739236 100644
--- a/source/test/small_vector_test.cpp
+++ b/source/test/small_vector_test.cpp
@@ -1,4 +1,5 @@
 #include "StarSmallVector.hpp"
+#include "StarFormat.hpp"
 
 #include "gtest/gtest.h"