diff --git a/build-utils/atoms-extern.sh b/build-utils/atoms-extern.sh
index afcdc3c..daf42c7 100755
--- a/build-utils/atoms-extern.sh
+++ b/build-utils/atoms-extern.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 echo "/* This file is autogenerated by $0 - do not edit */"
 echo
diff --git a/build-utils/atoms-intern.sh b/build-utils/atoms-intern.sh
index 062d92b..2b2811d 100755
--- a/build-utils/atoms-intern.sh
+++ b/build-utils/atoms-intern.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 echo "/* This file is autogenerated by $0 - do not edit */"
 echo