diff --git a/script.sh b/script.sh
index ddc6b3c..8eae3f6 100755
--- a/script.sh
+++ b/script.sh
@@ -41,15 +41,15 @@ mypy_check_output="$(mypy --show-column-numbers     \
                           "${INPUT_TARGET:-.}" 2>&1 \
                           )" || mypy_exit_val="$?"
 
-IGNORE_NOTE_EFM_OPTION=""
+IGNORE_NOTE_EFM_OPTION=()
 if [[ "${INPUT_IGNORE_NOTE}" == "true" ]] ; then
   # note ignore
-  IGNORE_NOTE_EFM_OPTION="-efm=\"%-G%f:%l:%c: note: %m\""
+  IGNORE_NOTE_EFM_OPTION=(-efm=\"%-G%f:%l:%c: note: %m\")
 fi
 
 # shellcheck disable=SC2086
 echo "${mypy_check_output}" | reviewdog              \
-      ${IGNORE_NOTE_EFM_OPTION}                      \
+      "${IGNORE_NOTE_EFM_OPTION[@]}"                 \
       -efm="%f:%l:%c: %t%*[^:]: %m"                  \
       -efm="%f:%l: %t%*[^:]: %m"                     \
       -efm="%f: %t%*[^:]: %m"                        \