diff --git a/ci/scripts/build.sh b/ci/scripts/build.sh
index e357fb4609bc0ea559b42614b387335963ee58ec..40bcb7f15e6120cc6c4aeaa0669a15964dc4f9cf 100755
--- a/ci/scripts/build.sh
+++ b/ci/scripts/build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 ##
 ## Copyright (C) HySoP 2011-2022
 ##
diff --git a/ci/scripts/config.sh b/ci/scripts/config.sh
index b8f7dde3728060a325180492bee4a71b0421edae..e67e17b36a927456531012821df1650a9d9baf5a 100755
--- a/ci/scripts/config.sh
+++ b/ci/scripts/config.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 ##
 ## Copyright (C) HySoP 2011-2022
 ##
diff --git a/ci/scripts/install.sh b/ci/scripts/install.sh
index 06daa6b3826b065bc8a6e265bcaa359197c98aa1..26c36397e7eeaaa0350b877d4c3028ce7e8c699a 100755
--- a/ci/scripts/install.sh
+++ b/ci/scripts/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 ##
 ## Copyright (C) HySoP 2011-2022
 ##
diff --git a/ci/scripts/test.sh b/ci/scripts/test.sh
index 621d7386bc7ae3912a8435711a243677090f5c64..c23d54625133f06fc4917a3d087ce3d3d1bb947c 100755
--- a/ci/scripts/test.sh
+++ b/ci/scripts/test.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 ##
 ## Copyright (C) HySoP 2011-2022
 ##
diff --git a/ci/scripts/version.sh b/ci/scripts/version.sh
index a8a1cde38ab8259c026304e5c25413853f23746f..b48f9c7f18a70249ef234aef8a62c630f4ee8bd7 100755
--- a/ci/scripts/version.sh
+++ b/ci/scripts/version.sh
@@ -1,19 +1,4 @@
-#!/bin/bash
-##
-## Copyright (C) HySoP 2011-2022
-##
-## Licensed under the Apache License, Version 2.0 (the "License");
-## you may not use this file except in compliance with the License.
-## You may obtain a copy of the License at
-##
-##         http://www.apache.org/licenses/LICENSE-2.0
-##
-## Unless required by applicable law or agreed to in writing, software
-## distributed under the License is distributed on an "AS IS" BASIS,
-## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-## See the License for the specific language governing permissions and
-## limitations under the License.
-##
+#!/usr/bin/env bash
 set -feu -o pipefail
 echo "HOST"
 uname -a
diff --git a/ci/utils/run_ci.bat b/ci/utils/run_ci.bat
index 34118d2c64eed5c43f9c3b143dc981e5b3ed2b6e..e6d0628ee06f24af5a6c3778dc14df6ac69cb65f 100644
--- a/ci/utils/run_ci.bat
+++ b/ci/utils/run_ci.bat
@@ -16,6 +16,6 @@ docker create %EXTRA_ARGS% -v "%SCRIPT_DIR%\..\..:/hysop:ro" --name=%CONTAINER_I
 
 docker start %CONTAINER_ID%
 
-docker exec %CONTAINER_ID% /hysop/ci/scripts/build_and_test.sh
+docker exec %CONTAINER_ID% /usr/bin/bash /hysop/ci/scripts/build_and_test.sh
 
 docker commit %CONTAINER_ID% %DOCKER_IMG%