diff --git a/test/profiling/allocations/test.sh b/test/profiling/allocations/test.sh
index 45150755395..e6fff08a7c8 100644
--- a/test/profiling/allocations/test.sh
+++ b/test/profiling/allocations/test.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 ## Copyright 2018 Proyectos y Sistemas de Mantenimiento SL (eProsima).
 ##
diff --git a/test/profiling/allocations/test_with_memory_tool.sh b/test/profiling/allocations/test_with_memory_tool.sh
index 983b603e4c0..8a0e9a4cfae 100644
--- a/test/profiling/allocations/test_with_memory_tool.sh
+++ b/test/profiling/allocations/test_with_memory_tool.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 ## Copyright 2018-2019 Proyectos y Sistemas de Mantenimiento SL (eProsima).
 ##
diff --git a/tools/fastdds/fastdds b/tools/fastdds/fastdds
index 9d48f4941b8..1f633049b56 100755
--- a/tools/fastdds/fastdds
+++ b/tools/fastdds/fastdds
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 dir="`dirname \"$0\"`"
 python3 "$dir/../tools/fastdds/fastdds.py" ${@}
diff --git a/tools/fastdds/ros-discovery b/tools/fastdds/ros-discovery
index f76df454788..7bc96a7539d 100644
--- a/tools/fastdds/ros-discovery
+++ b/tools/fastdds/ros-discovery
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 dir="`dirname \"$0\"`"
 python3 "$dir/../tools/fastdds/fastdds.py" discovery ${@}
diff --git a/utils/scripts/update_generated_code_from_idl.sh b/utils/scripts/update_generated_code_from_idl.sh
index 77008493d0a..8f87548a909 100755
--- a/utils/scripts/update_generated_code_from_idl.sh
+++ b/utils/scripts/update_generated_code_from_idl.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 files_to_exclude=(
     './include/fastrtps/types/*'