diff --git a/src/H5PartPrivate.h b/src/H5PartPrivate.h
index 10279cb..8c63b49 100644
--- a/src/H5PartPrivate.h
+++ b/src/H5PartPrivate.h
@@ -21,7 +21,7 @@ struct _iter_op_data {
 	char *pattern;
 };
 
-static h5part_int64_t
+h5part_int64_t
 _H5Part_set_step (
 	H5PartFile *f,
 	const h5part_int64_t step