1 files changed, 1 insertions, 0 deletions
diff --git a/src/hdf5.h b/src/hdf5.h
index 8176e83..e219c4d 100644
--- a/src/hdf5.h
+++ b/src/hdf5.h
@@ -64,6 +64,7 @@
 #include "H5FDmirror.h"   /* Mirror VFD and IPC definitions           */
 #include "H5FDmpi.h"      /* MPI-based file drivers                   */
 #include "H5FDmulti.h"    /* Usage-partitioned file family            */
+#include "H5FDonion.h"    /* Onion file I/O                           */
 #include "H5FDros3.h"     /* R/O S3 "file" I/O                        */
 #include "H5FDsec2.h"     /* POSIX unbuffered file I/O                */
 #include "H5FDsplitter.h" /* Twin-channel (R/W & R/O) I/O passthrough */