diff --git a/action.yml b/action.yml
index e5e227a5..e43bf502 100644
--- a/action.yml
+++ b/action.yml
@@ -59,15 +59,15 @@ runs:
         
         HEAD_SHA=$(git rev-parse ${TARGET_BRANCH} || true)
         
-        ADDED_FILES=($(git diff --diff-filter=A --name-only ${HEAD_SHA} || true))
-        COPIED_FILES=($(git diff --diff-filter=C --name-only ${HEAD_SHA} || true))
-        DELETED_FILES=($(git diff --diff-filter=D --name-only ${HEAD_SHA} || true))
-        MODIFIED_FILES=($(git diff --diff-filter=M --name-only ${HEAD_SHA} || true))
-        RENAMED_FILES=($(git diff --diff-filter=R --name-only ${HEAD_SHA} || true))
-        CHANGED_FILES=($(git diff --diff-filter=T --name-only ${HEAD_SHA} || true))
-        UNMERGED_FILES=($(git diff --diff-filter=R --name-only ${HEAD_SHA} || true))
-        UNKNOWN_FILES=($(git diff --diff-filter=X --name-only ${HEAD_SHA} || true))
-        ALL_CHANGED_FILES=($(git diff --diff-filter="*" --name-only ${HEAD_SHA} || true))
+        read -a ADDED_FILES <<< "$(git diff --diff-filter=A --name-only ${HEAD_SHA} || true)"
+        read -a COPIED_FILES <<< "$(git diff --diff-filter=C --name-only ${HEAD_SHA} || true)"
+        read -a DELETED_FILES <<< "$(git diff --diff-filter=D --name-only ${HEAD_SHA} || true)"
+        read -a MODIFIED_FILES <<< "$(git diff --diff-filter=M --name-only ${HEAD_SHA} || true)"
+        read -a RENAMED_FILES <<< "$(git diff --diff-filter=R --name-only ${HEAD_SHA} || true)"
+        read -a CHANGED_FILES <<< "$(git diff --diff-filter=T --name-only ${HEAD_SHA} || true)"
+        read -a UNMERGED_FILES <<< "$(git diff --diff-filter=U --name-only ${HEAD_SHA} || true)"
+        read -a UNKNOWN_FILES <<< "$(git diff --diff-filter=X --name-only ${HEAD_SHA} || true)"
+        read -a ALL_CHANGED_FILES <<< "$(git diff --diff-filter='*' --name-only ${HEAD_SHA} || true)"
 
         echo "Getting diff..."
         echo "::set-output name=added_files::$ADDED_FILES"