diff --git a/code/Material/MaterialSystem.cpp b/code/Material/MaterialSystem.cpp
index ae9d038d9..cc8ca2f88 100644
--- a/code/Material/MaterialSystem.cpp
+++ b/code/Material/MaterialSystem.cpp
@@ -51,6 +51,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <assimp/material.h>
 #include <assimp/types.h>
 #include <assimp/DefaultLogger.hpp>
+#include <memory>
 
 using namespace Assimp;