diff --git a/lib/Ray/sources/Model/ModelAnimations.hpp b/lib/Ray/sources/Model/ModelAnimations.hpp
index 0e88731b..cad0d038 100644
--- a/lib/Ray/sources/Model/ModelAnimations.hpp
+++ b/lib/Ray/sources/Model/ModelAnimations.hpp
@@ -10,6 +10,7 @@
 
 #include "Model/ModelAnimation.hpp"
 #include <vector>
+#include <string>
 
 namespace RAY {
 	//! @brief A Holder for Model Animations