diff --git a/src/include/h5core/h5_types.h b/src/include/h5core/h5_types.h
index 77912b5..4c6ac98 100644
--- a/src/include/h5core/h5_types.h
+++ b/src/include/h5core/h5_types.h
@@ -1,6 +1,7 @@
 #ifndef __H5_TYPES_H
 #define __H5_TYPES_H
 
+#include <stdargs.h>
 #include <hdf5.h>
 
 /*