diff --git a/src/meshTools/triSurface/triangleFuncs/triangleFuncs.C b/src/meshTools/triSurface/triangleFuncs/triangleFuncs.C
index 1bef529b03..dab51b4714 100644
--- a/src/meshTools/triSurface/triangleFuncs/triangleFuncs.C
+++ b/src/meshTools/triSurface/triangleFuncs/triangleFuncs.C
@@ -132,7 +132,7 @@ bool Foam::triangleFuncs::intersectAxesBundle
         scalar beta = 0;
         bool inter = false;
 
-        if (Foam::mag(u1) < SMALL)
+        if (Foam::mag(u1) < ROOTVSMALL)
         {
             beta = u0/u2;
             if ((beta >= 0) && (beta <= 1))