diff --git a/tutorials/mesh/foamyHexMesh/mixerVessel/Allrun-simulation b/tutorials/mesh/foamyHexMesh/mixerVessel/Allrun-simulation
index e789caef9fdf7c456a2ce7e532f670f14d3b11ac..f7ad32e4747b59e50a05405ebbf05befd33c1e23 100755
--- a/tutorials/mesh/foamyHexMesh/mixerVessel/Allrun-simulation
+++ b/tutorials/mesh/foamyHexMesh/mixerVessel/Allrun-simulation
@@ -31,7 +31,7 @@ runApplication setFields
 runApplication decomposePar -force
 
 # Run
-runParallel $application 8
+runParallel $application $nProcs
 
 # Reconstruct
 runApplication reconstructPar -noFunctionObjects