diff --git a/src/h5core/h5_model_private.h b/src/h5core/h5_model_private.h
index e3aecb2..70b101c 100644
--- a/src/h5core/h5_model_private.h
+++ b/src/h5core/h5_model_private.h
@@ -14,7 +14,6 @@
 /* WARNING! Changing these values will alter the data model and introduce
  * file incompatibilities with previous versions. */
 
-#define H5_MAX_NAME_LEN          64
 #define H5_DATANAME_LEN		H5_MAX_NAME_LEN
 #define H5_STEPNAME_LEN		H5_MAX_NAME_LEN
 #define H5_STEPNAME		"Step"
diff --git a/src/include/h5core/h5_model.h b/src/include/h5core/h5_model.h
index 9683680..a95b250 100644
--- a/src/include/h5core/h5_model.h
+++ b/src/include/h5core/h5_model.h
@@ -16,6 +16,8 @@
 extern "C" {
 #endif
 
+#define H5_MAX_NAME_LEN          64
+
 h5_int64_t
 h5_set_step (
 	const h5_file_t, const h5_int64_t);