diff --git a/install-mattermost.sh b/install-mattermost.sh
index cf67cbb..3cdee5a 100755
--- a/install-mattermost.sh
+++ b/install-mattermost.sh
@@ -205,7 +205,7 @@ DEFAULT_MATTERMOST_USER="mattermost"
 DEFAULT_DB_NAME="mattermost"
 DEFAULT_DB_USER="mattermost"
 
-DEFAUTL_DB_TYPE="psql"
+DEFAULT_DB_TYPE="pgsql"
 
 # generate random password
 regexp_digit="([23456789].*){2}"
@@ -256,8 +256,6 @@ if [[ -n "$DB_TYPE" ]] ; then
    else
       fatal "Wrong or empty Database Type (DB_TYPE) - must be 'mysql' or 'pgsql'."
    fi
-else
-   DEFAULT_DB_TYPE=pgsql
 fi
 
 [[ -n "$DB_NAME" ]] && DEFAULT_DB_NAME="$DB_NAME"