diff --git a/curl.sh b/curl.sh
index 4cb6b42..1c66e78 100755
--- a/curl.sh
+++ b/curl.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # Check if the correct number of arguments is provided
-if [ "$#" -ne 1 ]; then
+if [ -z "${1:-}" ]; then
     echo "Usage: $0 <url> [request_method]"
     exit 1
 fi