diff --git a/src/H5Dio.c b/src/H5Dio.c
index 24302b2763..fffb97f121 100644
--- a/src/H5Dio.c
+++ b/src/H5Dio.c
@@ -16,7 +16,7 @@
 
 /* Pablo information */
 /* (Put before include files to avoid problems with inline functions) */
-#define PABLO_MASK	H5Dio_mask
+#define PABLO_MASK	H5D_io_mask
 
 #include "H5private.h"		/* Generic Functions			*/
 #include "H5Dpkg.h"		/* Dataset functions			*/