diff --git a/action.yml b/action.yml
index 6833fd0..e1dd650 100644
--- a/action.yml
+++ b/action.yml
@@ -30,7 +30,7 @@ runs:
         response=$(curl -s -w "\n%{http_code}" \
                     -H "Authorization: Basic $BASE64_AUTH" \
                     -H "User-Agent: Docker-Client/20.10.12 (linux)" \
-                    "https://${PREFIXLESS_REGISTRY}/v2/")
+                    "https://${PREFIXLESS_REGISTRY}/v2/token")
         
         http_code=$(echo "$response" | tail -n 1)
         response_body=$(echo "$response" | head -n -1)