diff --git a/meshmode/mesh/tools.py b/meshmode/mesh/tools.py
index df1c353cb5365d79367d131f45961a3718c94b81..dd16d5b2b9914444cbd8287ffde632428b8e2af3 100644
--- a/meshmode/mesh/tools.py
+++ b/meshmode/mesh/tools.py
@@ -124,7 +124,7 @@ def rand_rotation_matrix(ambient_dim, deflection=1.0, randnums=None):
     # has length sqrt(2) to eliminate the 2 in the Householder matrix.
 
     r = np.sqrt(z)
-    Vx, Vy, Vz = V = (
+    Vx, Vy, Vz = V = (  # noqa: N806
         np.sin(phi) * r,
         np.cos(phi) * r,
         np.sqrt(2.0 - z)