diff --git a/tutorials/incompressible/boundaryFoam/boundaryWallFunctionsProfile/Allrun b/tutorials/incompressible/boundaryFoam/boundaryWallFunctionsProfile/Allrun
index 99209508d7..d30f1362fc 100755
--- a/tutorials/incompressible/boundaryFoam/boundaryWallFunctionsProfile/Allrun
+++ b/tutorials/incompressible/boundaryFoam/boundaryWallFunctionsProfile/Allrun
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 cd ${0%/*} || exit 1    # run from this directory
 
 # Source tutorial run functions