diff --git a/src/h5core/h5_hdf5_private.h b/src/h5core/h5_hdf5_private.h
index d340f4b..50d395e 100644
--- a/src/h5core/h5_hdf5_private.h
+++ b/src/h5core/h5_hdf5_private.h
@@ -685,7 +685,7 @@ hdf5_get_npoints_of_dataset_by_name (
   \param[in]	rank		rank of array
   \param[in]	dims		dimensions
 */
-char_p
+static inline char_p
 hdf5_get_type_name (
 	hid_t type_id
 	) {
@@ -704,7 +704,7 @@ hdf5_get_type_name (
 	return "[unknown]";
 }
 
-static const char*
+static inline static const char*
 get_class_type_name (
 	const hid_t class_id
 	) {