diff --git a/scripts/gen_build_files.sh b/scripts/gen_build_files.sh
index ea14de5e2..6982877d8 100755
--- a/scripts/gen_build_files.sh
+++ b/scripts/gen_build_files.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # bashism:
 # "read -r" without variable name reads line into $REPLY
 # without stripping whitespace.