diff --git a/vectors/21-nuclei.sh b/vectors/21-nuclei.sh
index 5c58e57..d21f841 100644
--- a/vectors/21-nuclei.sh
+++ b/vectors/21-nuclei.sh
@@ -32,11 +32,11 @@ vector_nuclei() {
   
   # Run nuclei with focused templates
   nuclei -u "$target" \
-    -severity critical,high,medium \
-    -json \
+    -s critical,high,medium \
+    -j \
     -o "$nuclei_out" \
-    -rate-limit 50 \
-    -concurrency 10 \
+    -rl 50 \
+    -c 10 \
     -timeout 8 \
     -retries 1 \
     -silent 2>/dev/null &