diff --git a/src/mapi/es1api/ABI-check b/src/mapi/es1api/ABI-check
index 819568f6d1a..223658b32e0 100755
--- a/src/mapi/es1api/ABI-check
+++ b/src/mapi/es1api/ABI-check
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 # Print defined gl.* functions not in GL ES 1.1 or in
 # (FIXME, none of these should be part of the ABI)
diff --git a/src/mapi/es2api/ABI-check b/src/mapi/es2api/ABI-check
index e0bf3c83143..5c9e8266246 100755
--- a/src/mapi/es2api/ABI-check
+++ b/src/mapi/es2api/ABI-check
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 # Print defined gl.* functions not in GL ES 3.0 or in
 # (FIXME, none of these should be part of the ABI)