diff --git a/src/meshTools/triSurface/triSurfaceTools/triSurfaceTools.C b/src/meshTools/triSurface/triSurfaceTools/triSurfaceTools.C
index b406fb0467..0e97a63316 100644
--- a/src/meshTools/triSurface/triSurfaceTools/triSurfaceTools.C
+++ b/src/meshTools/triSurface/triSurfaceTools/triSurfaceTools.C
@@ -2560,7 +2560,7 @@ Foam::triSurface Foam::triSurfaceTools::delaunay2D(const List<vector2D>& pts)
 
     // Triangulate
     int nTris = 0;
-    dtris2
+    int err = dtris2
     (
         pts.size(),
         geompackVertices.begin(),
@@ -2569,6 +2569,13 @@ Foam::triSurface Foam::triSurfaceTools::delaunay2D(const List<vector2D>& pts)
         triangle_neighbor.begin()
     );
 
+    if (err != 0)
+    {
+        FatalErrorIn("triSurfaceTools::delaunay2D(const List<vector2D>&)")
+            << "Failed dtris2 with vertices:" << pts.size()
+            << abort(FatalError);
+    }
+
     // Trim
     triangle_node.setSize(3*nTris);
     triangle_neighbor.setSize(3*nTris);