diff --git a/utils/list-licenses/list-licenses.sh b/utils/list-licenses/list-licenses.sh
index f09168a0596..cc730464e8e 100755
--- a/utils/list-licenses/list-licenses.sh
+++ b/utils/list-licenses/list-licenses.sh
@@ -5,15 +5,16 @@ if [[ "$OSTYPE" == "darwin"* ]]; then
     GREP_CMD=ggrep
     FIND_CMD=gfind
 else
-    FIND_CMD=find
-    GREP_CMD=grep
+    FIND_CMD='find'
+    GREP_CMD='grep'
 fi
 
 ROOT_PATH="$(git rev-parse --show-toplevel)"
 LIBS_PATH="${ROOT_PATH}/contrib"
 
-ls -1 -d ${LIBS_PATH}/*/ "${ROOT_PATH}/base/poco" | ${GREP_CMD} -F -v -- '-cmake' | LC_ALL=C sort | while read LIB; do
-    LIB_NAME=$(basename $LIB)
+mapfile -t libs < <(echo "${ROOT_PATH}/base/poco"; find "${LIBS_PATH}" -type d -maxdepth 1 ! -name '*-cmake' | LC_ALL=C sort)
+for LIB in "${libs[@]}"; do
+    LIB_NAME=$(basename "$LIB")
 
     LIB_LICENSE=$(
         LC_ALL=C ${FIND_CMD} "$LIB" -type f -and '(' -iname 'LICENSE*' -or -iname 'COPYING*' -or -iname 'COPYRIGHT*' ')' -and -not '(' -iname '*.html' -or -iname '*.htm' -or -iname '*.rtf' -or -name '*.cpp' -or -name '*.h' -or -iname '*.json' ')' -printf "%d\t%p\n" |