diff --git a/modules/navier_stokes/src/auxkernels/RANSYPlusAux.C b/modules/navier_stokes/src/auxkernels/RANSYPlusAux.C
index b3acec76ad1e..362a7ac7cd44 100644
--- a/modules/navier_stokes/src/auxkernels/RANSYPlusAux.C
+++ b/modules/navier_stokes/src/auxkernels/RANSYPlusAux.C
@@ -105,8 +105,10 @@ RANSYPlusAux::computeValue()
         // Equilibrium / Iterative
         y_plus = NS::findyPlus(mu, rho, std::max(parallel_speed, 1e-10), distance);
       }
+      y_plus_vec.push_back(raw_value(y_plus));
     }
-    return raw_value(y_plus);
+    // Return average of y+ for cells with multiple wall faces
+    return 1.0 * std::accumulate(y_plus_vec.begin(),y_plus_vec.end(),0.0) / y_plus_vec.size();
   }
   else
      return 0.;