diff --git a/src/index.sh b/src/index.sh
index 28695343..1c96b0af 100755
--- a/src/index.sh
+++ b/src/index.sh
@@ -6,6 +6,8 @@ CURRENT_DIR="$(dirname "$(readlink -f "$0")")"
 # shellcheck source=functions.sh
 . "${SCRIPT_DIR="${CURRENT_DIR}/"}functions.sh"
 
+WORK_DIR="${WORK_DIR-../}"
+
 declare \
   GITHUB_STEP_SUMMARY
 
@@ -27,20 +29,20 @@ is_full_scan_demanded
 FULL_SCAN=$?
 
 if [[ ${FULL_SCAN} -eq 0 ]]; then
-  git ls-tree -r --name-only -z "${GITHUB_REF_NAME-"main"}" > ../files.txt
+  git ls-tree -r --name-only -z "${GITHUB_REF_NAME-"main"}" > "${WORK_DIR}files.txt"
 
   all_scripts=()
-  get_scripts_for_scanning "../files.txt" "all_scripts"
+  get_scripts_for_scanning "${WORK_DIR}files.txt" "all_scripts"
 fi
 
 if ! [[ ${FULL_SCAN} -eq 0 ]] || ! is_strict_check_on_push_demanded; then
   # https://github.com/actions/runner/issues/342
   # Get the names of files from range of commits (excluding deleted files)
   # BASE and HEAD are always set, it is checked inside pick_base_and_head_hash function
-  git diff --name-only -z --diff-filter=db "${BASE}".."${HEAD}" > ../changed-files.txt
+  git diff --name-only -z --diff-filter=db "${BASE}".."${HEAD}" > "${WORK_DIR}changed-files.txt"
 
   only_changed_scripts=()
-  get_scripts_for_scanning "../changed-files.txt" "only_changed_scripts"
+  get_scripts_for_scanning "${WORK_DIR}changed-files.txt" "only_changed_scripts"
 fi
 
 echo -e "${VERSIONS_HEADING}"
@@ -58,25 +60,25 @@ echo
 # ------------ #
 
 if [[ ${FULL_SCAN} -eq 0 ]]; then
-  execute_shellcheck "${all_scripts[@]}" > ../full-shellcheck.err
+  execute_shellcheck "${all_scripts[@]}" > "${WORK_DIR}full-shellcheck.err"
 fi
 
 exit_status=0
 
 if ! is_strict_check_on_push_demanded; then
-  execute_shellcheck "${only_changed_scripts[@]}" > ../head-shellcheck.err
+  execute_shellcheck "${only_changed_scripts[@]}" > "${WORK_DIR}head-shellcheck.err"
 
   # Checkout the base branch/commit
   git checkout --force --quiet -b ci_br_dest "${BASE}" || git checkout --force --quiet "${BASE}"
 
-  execute_shellcheck "${only_changed_scripts[@]}" > ../base-shellcheck.err
+  execute_shellcheck "${only_changed_scripts[@]}" > "${WORK_DIR}base-shellcheck.err"
 
-  get_fixes "../base-shellcheck.err" "../head-shellcheck.err"
+  get_fixes "${WORK_DIR}base-shellcheck.err" "${WORK_DIR}head-shellcheck.err"
   evaluate_and_print_fixes
 
-  get_defects "../head-shellcheck.err" "../base-shellcheck.err"
+  get_defects "${WORK_DIR}head-shellcheck.err" "${WORK_DIR}base-shellcheck.err"
 else
-  mv ../full-shellcheck.err ../defects.log
+  mv "${WORK_DIR}full-shellcheck.err" "${WORK_DIR}defects.log"
 fi
 
 echo
@@ -89,9 +91,9 @@ exit_status=$?
 
 # Upload all defects when Full scan was requested
 if [[ ${FULL_SCAN} -eq 0 ]]; then
-  cp ../full-shellcheck.err ../sarif-defects.log
+  cp "${WORK_DIR}full-shellcheck.err" "${WORK_DIR}sarif-defects.log"
 else
-  cp ../defects.log ../sarif-defects.log
+  cp "${WORK_DIR}defects.log" "${WORK_DIR}sarif-defects.log"
 fi
 
 shellcheck_version=$(get_shellcheck_version)
@@ -103,7 +105,7 @@ csgrep \
   --set-scan-prop='tool:ShellCheck' \
   --set-scan-prop="tool-version:${shellcheck_version}" \
   --set-scan-prop='tool-url:https://www.shellcheck.net/wiki/' \
-  '../sarif-defects.log' > output.sarif
+  "${WORK_DIR}sarif-defects.log" > output.sarif
 
 echo "sarif=output.sarif" >> "${GITHUB_OUTPUT}"
 
diff --git a/src/summary.sh b/src/summary.sh
index f1aaf2b0..33b8a6d0 100644
--- a/src/summary.sh
+++ b/src/summary.sh
@@ -1,6 +1,8 @@
 # shellcheck shell=bash
 # SPDX-License-Identifier: GPL-3.0-or-later
 
+WORK_DIR="${WORK_DIR-../}"
+
 # Print scanning summary
 summary () {
   scan_summary=""
@@ -72,7 +74,7 @@ Scanned/Changed scripts: \`${#list_of_changed_scripts[@]}\`
 get_number_of () {
   [[ $# -le 0 ]] && return 1
 
-  file="../${1}.log"
+  file="${WORK_DIR}${1}.log"
   [[ -s "${file}" ]] || return 1
 
   jq '.defects | length' "${file}"
diff --git a/src/validation.sh b/src/validation.sh
index 1b96c9b3..1210a29e 100644
--- a/src/validation.sh
+++ b/src/validation.sh
@@ -4,6 +4,8 @@
 # shellcheck source=summary.sh
 . "${SCRIPT_DIR=}summary.sh"
 
+WORK_DIR="${WORK_DIR-../}"
+
 # Get file containing fixes based on two input files
 # $1 - <string> absolute path to a file containing results from BASE scan
 # $2 - <string> absolute path to a file containing results from HEAD scan
@@ -12,19 +14,19 @@
 get_fixes () {
   [[ $# -le 1 ]] && return 1
 
-  csdiff --fixed "${1}" "${2}" > ../fixes.log
+  csdiff --fixed "${1}" "${2}" > "${WORK_DIR}fixes.log"
 }
 
 # Function to evaluate results of fixed defects and to provide feedback on standard output
 # It expects file '../fixes.log' to contain fixes
 # $? - return value is always 0
 evaluate_and_print_fixes () {
-  gather_statistics "../fixes.log"
+  gather_statistics "${WORK_DIR}fixes.log"
 
   num_of_fixes=$(get_number_of fixes)
   if [[ "${num_of_fixes}" -gt 0 ]]; then
     echo -e "✅ ${GREEN}Fixed defects${NOCOLOR}"
-    csgrep --embed-context 2 ../fixes.log
+    csgrep --embed-context 2 "${WORK_DIR}fixes.log"
   else
     echo -e "ℹ️ ${YELLOW}No Fixes!${NOCOLOR}"
   fi
@@ -38,21 +40,21 @@ evaluate_and_print_fixes () {
 get_defects () {
   [[ $# -le 1 ]] && return 1
 
-  csdiff --fixed "${1}" "${2}" > ../defects.log
+  csdiff --fixed "${1}" "${2}" > "${WORK_DIR}defects.log"
 }
 
 # Function to evaluate results of defects and to provide feedback on standard output
 # It expects file '../defects.log' to contain defects
 # $? - return value - 0 on success
 evaluate_and_print_defects () {
-  gather_statistics "../defects.log"
+  gather_statistics "${WORK_DIR}defects.log"
 
   num_of_defects=$(get_number_of defects)
   if [[ "${num_of_defects}" -gt 0 ]] ; then
     print_statistics
 
     echo -e "✋ ${YELLOW}Defects, NEEDS INSPECTION${NOCOLOR}"
-    csgrep --embed-context 4 ../defects.log
+    csgrep --embed-context 4 "${WORK_DIR}defects.log"
     return 1
   fi