1 files changed, 1 insertions, 1 deletions
diff --git a/source/blender/freestyle/intern/python/BPy_Convert.h b/source/blender/freestyle/intern/python/BPy_Convert.h
index 7089b4683f1..6082d70695e 100644
--- a/source/blender/freestyle/intern/python/BPy_Convert.h
+++ b/source/blender/freestyle/intern/python/BPy_Convert.h
@@ -78,7 +78,7 @@ PyObject * Any_BPy_Interface1D_from_Interface1D( Interface1D& if1D );
 PyObject * Any_BPy_FEdge_from_FEdge( FEdge& fe );
 PyObject * Any_BPy_ViewVertex_from_ViewVertex( ViewVertex& vv );
 
-PyObject * BPy_BBox_from_BBox( BBox< Vec3r > &bb );
+PyObject * BPy_BBox_from_BBox(const BBox< Vec3r > &bb);
 PyObject * BPy_CurvePoint_from_CurvePoint( CurvePoint& cp );
 PyObject * BPy_directedViewEdge_from_directedViewEdge( ViewVertex::directedViewEdge& dve );
 PyObject * BPy_FEdge_from_FEdge( FEdge& fe );