diff --git a/include/aqsis/core/ioptions.h b/include/aqsis/core/ioptions.h
index 513e75b..83981dd 100644
--- a/include/aqsis/core/ioptions.h
+++ b/include/aqsis/core/ioptions.h
@@ -27,6 +27,8 @@
 //{
 #define IOPTIONS_H_INCLUDED
 
+#include <memory>
+
 #include <aqsis/aqsis.h>
 
 #ifndef Q_MOC_RUN