diff --git a/source/core/StarStaticVector.hpp b/source/core/StarStaticVector.hpp
index 3a4a7cc..18ddaae 100644
--- a/source/core/StarStaticVector.hpp
+++ b/source/core/StarStaticVector.hpp
@@ -2,6 +2,7 @@
 #define STAR_STATIC_VECTOR_HPP
 
 #include "StarException.hpp"
+#include "StarFormat.hpp"
 
 namespace Star {