diff --git a/karton_sqlmap/karton_sqlmap.py b/karton_sqlmap/karton_sqlmap.py
index e14c9af..c28bea3 100644
--- a/karton_sqlmap/karton_sqlmap.py
+++ b/karton_sqlmap/karton_sqlmap.py
@@ -56,7 +56,7 @@ def _run() -> Optional[str]:
                 [
                     "sqlmap",
                     "--delay",
-                    str(Config.Limits.SECONDS_PER_REQUEST),
+                    str(1.0 / Config.Limits.REQUESTS_PER_SECOND) if Config.Limits.REQUESTS_PER_SECOND else "0",
                     "-u",
                     url,
                     "--batch",