diff --git a/fabtests/scripts/rft_yaml_to_junit_xml b/fabtests/scripts/rft_yaml_to_junit_xml
index feb646366..2d3b3a30c 100755
--- a/fabtests/scripts/rft_yaml_to_junit_xml
+++ b/fabtests/scripts/rft_yaml_to_junit_xml
@@ -1,4 +1,4 @@
-#!/usr/bin/env ruby
+#!/usr/bin/ruby
 
 # Copyright (c) 2015 Cisco Systems, Inc.  All rights reserved.
 #
diff --git a/fabtests/scripts/runfabtests.sh b/fabtests/scripts/runfabtests.sh
index aba23be6f..73f55d07b 100755
--- a/fabtests/scripts/runfabtests.sh
+++ b/fabtests/scripts/runfabtests.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/bash
 
 #
 # Copyright (c) 2017-2019, Intel Corporation.  All rights reserved.