diff --git a/check_mailbox.sh b/check_mailbox.sh
index 7c444c4..92e9ad8 100755
--- a/check_mailbox.sh
+++ b/check_mailbox.sh
@@ -118,7 +118,7 @@ else
 fi
 
 
-maxwait=$(bc <<< "scale = 10; ($critical+1500) / 1000")
+maxwait=$(bc <<< "scale = 0; ($critical+1500) / 1000")
 
 # Build the arg parameters
 insecurearg=""