diff --git a/entrypoint.sh b/entrypoint.sh
index ed48a0c..3ae0006 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -41,7 +41,7 @@ set_output() {
   name=$1
   value=$2
   if [ -n "${GITHUB_OUTPUT}" ]; then
-    echo "$name=$value" >> "{$GITHUB_OUTPUT}"
+    echo "$name=$value" >> "${GITHUB_OUTPUT}"
   else
     echo "::set-output name=$name::$value"
   fi