diff --git a/src/info_command.sh b/src/info_command.sh
index 68bb0f6..2421a34 100644
--- a/src/info_command.sh
+++ b/src/info_command.sh
@@ -1,2 +1,2 @@
-#!/usr/bin/env bash
+# shellcheck shell=bash
 get_id
diff --git a/src/initialize.sh b/src/initialize.sh
index a3b9c35..88ea9c1 100644
--- a/src/initialize.sh
+++ b/src/initialize.sh
@@ -1,3 +1 @@
-#!/usr/bin/env bash
-## Code here runs inside the initialize() function
-## Use it for anything that you need to run before any other function
+# shellcheck shell=bash
\ No newline at end of file
diff --git a/src/lib/error.sh b/src/lib/error.sh
index a6f0bd4..32780ab 100644
--- a/src/lib/error.sh
+++ b/src/lib/error.sh
@@ -1,5 +1,5 @@
-#!/usr/bin/env bash
 # log error message to STDERR
+# shellcheck shell=bash
 function error() {
   echo >&2 "[$(date +'%Y-%m-%dT%H:%M:%S')]: ERROR $*"
 }
diff --git a/src/lib/get_csrf.sh b/src/lib/get_csrf.sh
index 62ba32a..c795a66 100644
--- a/src/lib/get_csrf.sh
+++ b/src/lib/get_csrf.sh
@@ -1,5 +1,5 @@
-#!/usr/bin/env bash
 # get CSRF token (introduced in OpenRefine 3.3)
+# shellcheck shell=bash
 function get_csrf() {
   if [[ "${OPENREFINE_CSRF}" == true ]]; then
     local response
diff --git a/src/lib/get_id.sh b/src/lib/get_id.sh
index edbc930..c61b8ec 100644
--- a/src/lib/get_id.sh
+++ b/src/lib/get_id.sh
@@ -1,5 +1,5 @@
-#!/usr/bin/env bash
 # get project id (derived from project name if needed)
+# shellcheck shell=bash disable=SC2154
 function get_id() {
   local response
   local projects
diff --git a/src/list_command.sh b/src/list_command.sh
index 39d4c58..3e31ad0 100644
--- a/src/list_command.sh
+++ b/src/list_command.sh
@@ -1,5 +1,5 @@
-#!/usr/bin/env bash
 # get all project metadata and reshape json to print a list
+# shellcheck shell=bash
 if ! response="$(curl -fs --get "${OPENREFINE_URL}/command/core/get-all-project-metadata")"; then
   error "no OpenRefine reachable/running at ${OPENREFINE_URL}"
 else