1 files changed, 1 insertions, 1 deletions
diff --git a/src/ix2.c b/src/ix2.c
index c6582a9..e955283 100644
--- a/src/ix2.c
+++ b/src/ix2.c
@@ -291,7 +291,7 @@ static void remove_object(ix2_object_t *object)
 /* Split node and distribute objects referenced from node->objects into a
  * newly created node->children.
  */
-ix2_node_t * split_node(ix2_t *ix2, unsigned *depth, ix2_node_t *node, bb2f_t *node_aabb)
+static ix2_node_t * split_node(ix2_t *ix2, unsigned *depth, ix2_node_t *node, bb2f_t *node_aabb)
 {
 	bb2f_t			quadrants[4];
 	ix2_object_ref_t	*r, *_r;