diff --git a/src/meshTools/indexedOctree/treeDataPrimitivePatch.C b/src/meshTools/indexedOctree/treeDataPrimitivePatch.C
index e6b485d6f42ef124d53ebf4c47f8dcb0b93d8e25..ac73884fa4801103aed139d25234d3e6d67b0ce4 100644
--- a/src/meshTools/indexedOctree/treeDataPrimitivePatch.C
+++ b/src/meshTools/indexedOctree/treeDataPrimitivePatch.C
@@ -307,7 +307,7 @@ getVolumeType
 
             forAll(eFaces, i)
             {
-                edgeNormal += patch_.faceNormal()[eFaces[i]];
+                edgeNormal += patch_.faceNormals()[eFaces[i]];
             }
 
             if (debug & 2)