diff --git a/add_dkim_key.sh b/add_dkim_key.sh
index 7bd8591..c6d8780 100755
--- a/add_dkim_key.sh
+++ b/add_dkim_key.sh
@@ -476,7 +476,7 @@ if $terminal ; then
    declare -i pos_begin=0
    declare -i pos_end=64
 
-   _intro="v=${DKIM_TYPE}; k=${KEY_TYPE}; s=email; p="
+   _intro="v=${DKIM_TYPE}; k=${KEY_TYPE}; p="
    declare -i length_intro=${#_intro}
 
    declare -i total_length=$((length_intro + length_dkim_key))