diff --git a/lib/ch5md/include/ch5md.h b/lib/ch5md/include/ch5md.h
index 14ee4eb9de..fce2fc57b1 100644
--- a/lib/ch5md/include/ch5md.h
+++ b/lib/ch5md/include/ch5md.h
@@ -61,7 +61,7 @@ int h5md_close_time_data(h5md_element e);
 h5md_element h5md_create_fixed_data_simple(hid_t loc, const char *name, int rank, int int_dims[], hid_t datatype, void *data);
 h5md_element h5md_create_fixed_data_scalar(hid_t loc, const char *name, hid_t datatype, void *data);
 int h5md_append(h5md_element e, void *data, int step, double time);
-int h5md_create_box(h5md_particles_group *group, int dim, char *boundary[], bool is_time, double value[]);
+int h5md_create_box(h5md_particles_group *group, int dim, char *boundary[], bool is_time, double value[], h5md_element *link);
 
 #ifdef __cplusplus
 }
diff --git a/lib/ch5md/src/ch5md.c b/lib/ch5md/src/ch5md.c
index 516a18f471..0adab3075d 100644
--- a/lib/ch5md/src/ch5md.c
+++ b/lib/ch5md/src/ch5md.c
@@ -358,7 +358,7 @@ int h5md_append(h5md_element e, void *data, int step, double time) {
   return 0;
 }
 
-int h5md_create_box(h5md_particles_group *group, int dim, char *boundary[], bool is_time, double value[])
+int h5md_create_box(h5md_particles_group *group, int dim, char *boundary[], bool is_time, double value[], h5md_element *link)
 {
   hid_t spc, att, t;
   hsize_t dims[1];
@@ -406,7 +406,7 @@ int h5md_create_box(h5md_particles_group *group, int dim, char *boundary[], bool
   // Check if the box is time-dependent or not
   int_dims[0]=dim;
   if (is_time) {
-    group->box_edges = h5md_create_time_data(group->box, "edges", 1, int_dims, H5T_NATIVE_DOUBLE, &group->position);
+    group->box_edges = h5md_create_time_data(group->box, "edges", 1, int_dims, H5T_NATIVE_DOUBLE, link);
   } else {
     if (NULL!=value) {
       group->box_edges = h5md_create_fixed_data_simple(group->box, "edges", 1, int_dims, H5T_NATIVE_DOUBLE, value);