diff --git a/wmake/wmakeLnIncludeAll b/wmake/wmakeLnIncludeAll
index a1758cadb..626f4175d 100755
--- a/wmake/wmakeLnIncludeAll
+++ b/wmake/wmakeLnIncludeAll
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #------------------------------------------------------------------------------
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox