diff --git a/entrypoint.sh b/entrypoint.sh
index 0b18d85..0e35d89 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -90,7 +90,8 @@ case "${command}" in
 
         # Install dependencies
         hashfile="${TMP_DIR}/${TEXLIVEFILE}.sha"
-        mkdir -p $(dirname ${hashfile})
+        mkdir -p "$(dirname "${hashfile}")"
+        
         if [[ -f "${SRC_DIR}/${TEXLIVEFILE}" ]]; then
             if ! sha256sum -c "${hashfile}" > /dev/null 2>&1; then
                 echo "Installing dependencies ..."