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-rw-r--r--src/H5FDmpio.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/H5FDmpio.h b/src/H5FDmpio.h
index c9280c7..0773d9e 100644
--- a/src/H5FDmpio.h
+++ b/src/H5FDmpio.h
@@ -25,7 +25,7 @@
#ifdef H5_HAVE_PARALLEL
#define H5FD_MPIO (H5FD_mpio_init())
#else
-#define H5FD_MPIO (-1)
+#define H5FD_MPIO (H5I_INVALID_HID)
#endif /* H5_HAVE_PARALLEL */
#ifdef H5_HAVE_PARALLEL