1 files changed, 2 insertions, 1 deletions
diff --git a/src/H5FD.c b/src/H5FD.c
index be7f307..46df5e0 100644
--- a/src/H5FD.c
+++ b/src/H5FD.c
@@ -107,7 +107,8 @@ static const H5I_class_t H5I_VFL_CLS[1] = {{
     H5I_VFL,			/* ID class value */
     0,				/* Class flags */
     0,				/* # of reserved IDs for class */
-    (H5I_free_t)H5FD_free_cls	/* Callback routine for closing objects of this class */
+    (H5I_free_t)H5FD_free_cls,	/* Callback routine for closing objects of this class */
+    NULL                        /* Callback routine for closing auxilary objects of this class */
 }};