diff --git a/src/meshTools/indexedOctree/indexedOctree.C b/src/meshTools/indexedOctree/indexedOctree.C
index 1d444eff3d..cb3b2ba780 100644
--- a/src/meshTools/indexedOctree/indexedOctree.C
+++ b/src/meshTools/indexedOctree/indexedOctree.C
@@ -2433,7 +2433,7 @@ Foam::pointIndexHit Foam::indexedOctree<Type>::findLineAny
 template <class Type>
 Foam::labelList Foam::indexedOctree<Type>::findBox
 (
-    const boundBox& searchBox
+    const treeBoundBox& searchBox
 ) const
 {
     // Storage for labels of shapes inside bb. Size estimate.
diff --git a/src/meshTools/indexedOctree/indexedOctree.H b/src/meshTools/indexedOctree/indexedOctree.H
index b653dc3e79..6ad59847bb 100644
--- a/src/meshTools/indexedOctree/indexedOctree.H
+++ b/src/meshTools/indexedOctree/indexedOctree.H
@@ -546,7 +546,7 @@ public:
 
             //- Find (in no particular order) indices of all shapes inside or
             //  overlapping bounding box (i.e. all shapes not outside box)
-            labelList findBox(const boundBox& bb) const;
+            labelList findBox(const treeBoundBox& bb) const;
 
             //- Find deepest node (as parent+octant) containing point. Starts
             //  off from starting index in nodes_ (use 0 to start from top)