diff --git a/vmnotify b/vmnotify
index aac03af..e0c4915 100755
--- a/vmnotify
+++ b/vmnotify
@@ -76,7 +76,7 @@ OLD="0" # asterisk doesn't send number of old messages!
 
 BODY_MW="Messages-Waiting: $MW"
 BODY_VM="Voice-Message: $NEW/$OLD"
-BODYLEN=$((${#BODY_MW}+${#BODY_VM}+2))
+BODYLEN=$((${#BODY_MW}+2+${#BODY_VM}+2))
 CALL_ID=$($UUIDGEN)@voip.sipwise.local
 MBID=$USER