diff --git a/bin/tools/CleanFunctions b/bin/tools/CleanFunctions
index de10e46fc7..c9d52c9134 100644
--- a/bin/tools/CleanFunctions
+++ b/bin/tools/CleanFunctions
@@ -1,5 +1,4 @@
-#!/bin/sh
-#------------------------------------------------------------------------------
+#---------------------------------*- sh -*-------------------------------------
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
diff --git a/bin/tools/RunFunctions b/bin/tools/RunFunctions
index 64cc1ae4e5..8b0208e64e 100644
--- a/bin/tools/RunFunctions
+++ b/bin/tools/RunFunctions
@@ -1,5 +1,4 @@
-#!/bin/sh
-#------------------------------------------------------------------------------
+#---------------------------------*- sh -*-------------------------------------
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
diff --git a/bin/tools/buildParaViewFunctions b/bin/tools/buildParaViewFunctions
index 0ff51f99ed..d5fb1771ec 100644
--- a/bin/tools/buildParaViewFunctions
+++ b/bin/tools/buildParaViewFunctions
@@ -1,5 +1,4 @@
-#!/bin/sh
-#------------------------------------------------------------------------------
+#---------------------------------*- sh -*-------------------------------------
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
diff --git a/bin/tools/thirdPartyGetFunctions b/bin/tools/thirdPartyGetFunctions
index a6c92f8a2d..0a79b6f68f 100644
--- a/bin/tools/thirdPartyGetFunctions
+++ b/bin/tools/thirdPartyGetFunctions
@@ -1,5 +1,4 @@
-#!/bin/sh
-#------------------------------------------------------------------------------
+#---------------------------------*- sh -*-------------------------------------
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |