diff --git a/autotest_diff.sh b/autotest_diff.sh
index 4112c99..38c4f52 100755
--- a/autotest_diff.sh
+++ b/autotest_diff.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 diff -U 0 $1 $2 > ${2%.*}.fp_diff
 
 ./fp2bit $2 ${2%.*}.f2b || exit $?
diff --git a/merge_log.sh b/merge_log.sh
index 55cd5ee..a7a16ce 100755
--- a/merge_log.sh
+++ b/merge_log.sh
@@ -1,3 +1,3 @@
-#!/bin/bash
+#!/usr/bin/env bash
 grep '^+net\|^+r0.*v64_'|awk '/^+r0.*v64_/{if (x~/^+net/) printf "%s %s\n",$0,x};{x=$0};'|sort