diff --git a/src/h5core/h5t_octree.c b/src/h5core/h5t_octree.c
index 019990b..9879528 100644
--- a/src/h5core/h5t_octree.c
+++ b/src/h5core/h5t_octree.c
@@ -9,6 +9,9 @@
 
 #include "private/h5_mpi.h"
 
+h5_oct_dta_types_t h5_oct_dta_types;
+
+
 static h5_err_t
 get_bounding_box_of_octant (
 		h5t_octree_t* const octree,
diff --git a/src/h5core/private/h5t_octree.h b/src/h5core/private/h5t_octree.h
index 9c33bb4..d723467 100644
--- a/src/h5core/private/h5t_octree.h
+++ b/src/h5core/private/h5t_octree.h
@@ -113,8 +113,6 @@ typedef struct h5_oct_dtypes {
 	MPI_Datatype mpi_octant;
 } h5_oct_dta_types_t;
 
-h5_oct_dta_types_t h5_oct_dta_types;
-
 h5_err_t H5t_create_mpi_type_octant ( void );
 
 // Setter functions