diff --git a/bin/v-install-wordpress b/bin/v-install-wordpress
index 0e24f847..4bf82c5f 100644
--- a/bin/v-install-wordpress
+++ b/bin/v-install-wordpress
@@ -26,6 +26,7 @@ USER=$user
 # Includes
 source /usr/local/vesta/func/main.sh
 source /usr/local/vesta/func/db.sh
+source /usr/local/vesta/conf/vesta.conf
 
 if [ -z "$user" ]; then
     check_result $E_NOTEXIST "domain $domain doesn't exist"
@@ -49,7 +50,11 @@ is_object_unsuspended 'user' 'USER' "$user"
 source /usr/local/vesta/func/handle_parameters.sh
 
 if [ -z "$database" ]; then
-    database=$(echo "$domain" | sed 's#\.#_#g')
+    if [ ! -z "$MAX_DBUSER_LEN" ] && [ "$MAX_DBUSER_LEN" -ge 80  ]; then
+        database=$(echo "$domain" | sed 's#\.#_#g')
+    else
+       database="wp"
+    fi
 fi
 
 if [ -z "$email" ]; then