diff --git a/include/LIEF/PE/Factory.hpp b/include/LIEF/PE/Factory.hpp
index 819d2815e..1935d26db 100644
--- a/include/LIEF/PE/Factory.hpp
+++ b/include/LIEF/PE/Factory.hpp
@@ -18,6 +18,7 @@
 
 #include "LIEF/visibility.h"
 #include "LIEF/PE/Binary.hpp"
+#include "LIEF/PE/AuxiliarySymbol.hpp"
 #include "LIEF/PE/Section.hpp"
 #include "LIEF/PE/Import.hpp"
 #include <memory>