diff --git a/check_graylog_index_size.py b/check_graylog_index_size.py
index d3c9fc9..57fa886 100755
--- a/check_graylog_index_size.py
+++ b/check_graylog_index_size.py
@@ -7,7 +7,6 @@ import requests
 
 from checker import nagios
 from checker.result import quit_check
-from checker.string import strip_non_numbers
 
 
 def main(args):
@@ -38,15 +37,15 @@ def main(args):
     }
 
     used_percent_float = float(data['disk.used_percent'])
-    warn_percent = args.size_warn_percent * 100
-    crit_percent = args.size_crit_percent * 100
+    warn_percent = args.size_warn_percent
+    crit_percent = args.size_crit_percent
     exit_str = f"{data['disk.used_percent']}% disk used ({data['disk.used'].upper()} / {data['disk.total'].upper()}). {data['disk.avail'].upper()} available."
     exit_code = nagios.STATE_OK
 
     if used_percent_float >= crit_percent:
         exit_code = nagios.STATE_CRIT
     elif used_percent_float >= warn_percent:
-        exit_code = nagios.STATE_CRIT
+        exit_code = nagios.STATE_WARN
     quit_check(exit_str, exit_code, perfdata)