diff --git a/check_speedtest.py b/check_speedtest.py
index 83e3c0e..4a567c0 100755
--- a/check_speedtest.py
+++ b/check_speedtest.py
@@ -14,10 +14,10 @@ def main():
     https://github.com/tevslin/cloudflarepycli/blob/main/src/cloudflarepycli/__main__.py
     """
     parser = argparse.ArgumentParser(description='Check internet speed.')
-    parser.add_argument('--warn-up', type=int, default=999999, help='Warn level of upload speed in Mbps.')
-    parser.add_argument('--critical-up', type=int, default=999999, help='Critical level of upload speed in Mbps.')
-    parser.add_argument('--warn-down', type=int, default=999999, help='Warn level of download speed in Mbps.')
-    parser.add_argument('--critical-down', type=int, default=999999, help='Critical level of download speed in Mbps.')
+    parser.add_argument('--warn-up', type=int, default=-1, help='Warn level of upload speed in Mbps.')
+    parser.add_argument('--critical-up', type=int, default=-1, help='Critical level of upload speed in Mbps.')
+    parser.add_argument('--warn-down', type=int, default=-1, help='Warn level of download speed in Mbps.')
+    parser.add_argument('--critical-down', type=int, default=-1, help='Critical level of download speed in Mbps.')
     parser.add_argument('--warn-latency', type=int, default=60, help='Warn level of latency in ms.')
     parser.add_argument('--critical-latency', type=int, default=100, help='Critical level of latency in ms.')
     args = parser.parse_args()
@@ -31,17 +31,17 @@ def main():
 
     if speedtest_results['90th_percentile_upload_speed']['value'] <= args.warn_up and exit_code < nagios.WARNING:
         exit_code = nagios.WARNING
-    if speedtest_results['90th_percentile_upload_speed']['value'] <= args.critical_up and exit_code < nagios.CRITICAL:
+    elif speedtest_results['90th_percentile_upload_speed']['value'] <= args.critical_up and exit_code < nagios.CRITICAL:
         exit_code = nagios.CRITICAL
 
     if speedtest_results['90th_percentile_download_speed']['value'] <= args.warn_down and exit_code < nagios.WARNING:
         exit_code = nagios.WARNING
-    if speedtest_results['90th_percentile_download_speed']['value'] <= args.critical_down and exit_code < nagios.CRITICAL:
+    elif speedtest_results['90th_percentile_download_speed']['value'] <= args.critical_down and exit_code < nagios.CRITICAL:
         exit_code = nagios.CRITICAL
 
     if speedtest_results['latency_ms']['value'] <= args.warn_latency and exit_code < nagios.WARNING:
         exit_code = nagios.WARNING
-    if speedtest_results['latency_ms']['value'] <= args.warn_latency and exit_code < nagios.CRITICAL:
+    elif speedtest_results['latency_ms']['value'] <= args.warn_latency and exit_code < nagios.CRITICAL:
         exit_code = nagios.CRITICAL
 
     if exit_code == nagios.OK: