diff --git a/bin/ncp-diag b/bin/ncp-diag
index 3276e9bc4..28e7c1a4e 100644
--- a/bin/ncp-diag
+++ b/bin/ncp-diag
@@ -37,7 +37,7 @@ SWP="$( swapon | tail -1 | awk '{ print $1 }' )"
 echo "swapfile|$SWP"
 
 # Database
-DBDIR=$( grep datadir /etc/mysql/mariadb.conf.d/50-server.cnf | awk -F "= " '{ print $2 }' )
+DBDIR=$( grep datadir /etc/mysql/mariadb.conf.d/90-ncp.cnf | awk -F "= " '{ print $2 }' )
 test -d "$DBDIR" || DBDIRINFO=" (doesn't exist)"
 echo "dbdir|$DBDIR$DBDIRINFO"
 
diff --git a/docker-armhf/lamp/Dockerfile b/docker-armhf/lamp/Dockerfile
index d5a9e50ad..8888a581c 100644
--- a/docker-armhf/lamp/Dockerfile
+++ b/docker-armhf/lamp/Dockerfile
@@ -21,7 +21,7 @@ mysqladmin -u root shutdown; \
 # mariaDB fixups (move database to /data-ro, which will be in a persistent volume)
 mkdir -p /data-ro /data; \
 mv /var/lib/mysql /data-ro/database; \
-sed -i "s|^datadir.*|datadir = /data-ro/database|" /etc/mysql/mariadb.conf.d/50-server.cnf; \
+sed -i "s|^datadir.*|datadir = /data-ro/database|" /etc/mysql/mariadb.conf.d/90-ncp.cnf; \
 
 # package cleanup 
 apt-get autoremove -y; \
diff --git a/docker-common/lamp/010lamp b/docker-common/lamp/010lamp
index 5007491c5..6948af92b 100755
--- a/docker-common/lamp/010lamp
+++ b/docker-common/lamp/010lamp
@@ -25,7 +25,7 @@ echo "Starting Apache"
 /usr/sbin/apache2ctl start
 
 # adjust the dbdir to the persistent storage
-sed -i "s|^datadir.*|datadir = /data/database|" /etc/mysql/mariadb.conf.d/50-server.cnf
+sed -i "s|^datadir.*|datadir = /data/database|" /etc/mysql/mariadb.conf.d/90-ncp.cnf
 
 # start
 echo "Starting mariaDB"
diff --git a/docker/lamp/Dockerfile b/docker/lamp/Dockerfile
index 9470a4762..516dc204a 100644
--- a/docker/lamp/Dockerfile
+++ b/docker/lamp/Dockerfile
@@ -21,7 +21,7 @@ mysqladmin -u root shutdown; \
 # mariaDB fixups (move database to /data-ro, which will be in a persistent volume)
 mkdir -p /data-ro /data; \
 mv /var/lib/mysql /data-ro/database; \
-sed -i "s|^datadir.*|datadir = /data-ro/database|" /etc/mysql/mariadb.conf.d/50-server.cnf; \
+sed -i "s|^datadir.*|datadir = /data-ro/database|" /etc/mysql/mariadb.conf.d/90-ncp.cnf; \
 
 # package cleanup 
 apt-get autoremove -y; \
diff --git a/etc/ncp-config.d/nc-database.sh b/etc/ncp-config.d/nc-database.sh
index c715811b3..279bfaddb 100644
--- a/etc/ncp-config.d/nc-database.sh
+++ b/etc/ncp-config.d/nc-database.sh
@@ -21,13 +21,13 @@ or the database will fail.
 
 is_active()
 {
-  local SRCDIR=$( grep datadir /etc/mysql/mariadb.conf.d/50-server.cnf | awk -F "= " '{ print $2 }' )
+  local SRCDIR=$( grep datadir /etc/mysql/mariadb.conf.d/90-ncp.cnf | awk -F "= " '{ print $2 }' )
   [[ "$SRCDIR" != "/var/lib/mysql" ]]
 }
 
 configure()
 {
-  local SRCDIR=$( grep datadir /etc/mysql/mariadb.conf.d/50-server.cnf | awk -F "= " '{ print $2 }' )
+  local SRCDIR=$( grep datadir /etc/mysql/mariadb.conf.d/90-ncp.cnf | awk -F "= " '{ print $2 }' )
   [ -d "$SRCDIR" ] || { echo -e "database directory $SRCDIR not found"; return 1; }
 
   [ -d "$DBDIR_" ] && {
@@ -54,7 +54,7 @@ configure()
   echo "moving database to $DBDIR_..."
   service mysql stop
   mv "$SRCDIR" "$DBDIR_" && \
-    sed -i "s|^datadir.*|datadir = $DBDIR_|" /etc/mysql/mariadb.conf.d/50-server.cnf
+    sed -i "s|^datadir.*|datadir = $DBDIR_|" /etc/mysql/mariadb.conf.d/90-ncp.cnf
   service mysql start 
 
   sudo -u www-data php occ maintenance:mode --off
diff --git a/lamp.sh b/lamp.sh
index e828c1387..8e05eee83 100644
--- a/lamp.sh
+++ b/lamp.sh
@@ -117,9 +117,10 @@ EOF
     $APTINSTALL ssl-cert # self signed snakeoil certs
 
     # configure MariaDB ( UTF8 4 byte support )
-    sed -i '/\[mysqld\]/ainnodb_large_prefix=on'       /etc/mysql/mariadb.conf.d/50-server.cnf 
-    sed -i '/\[mysqld\]/ainnodb_file_per_table=1'      /etc/mysql/mariadb.conf.d/50-server.cnf 
-    sed -i '/\[mysqld\]/ainnodb_file_format=barracuda' /etc/mysql/mariadb.conf.d/50-server.cnf
+    cp /etc/mysql/mariadb.conf.d/50-server.cnf /etc/mysql/mariadb.conf.d/90-ncp.cnf
+    sed -i '/\[mysqld\]/ainnodb_large_prefix=on'       /etc/mysql/mariadb.conf.d/90-ncp.cnf
+    sed -i '/\[mysqld\]/ainnodb_file_per_table=1'      /etc/mysql/mariadb.conf.d/90-ncp.cnf
+    sed -i '/\[mysqld\]/ainnodb_file_format=barracuda' /etc/mysql/mariadb.conf.d/90-ncp.cnf
 
   # launch mariadb if not already running
   if ! pgrep -c mysqld &>/dev/null; then
diff --git a/update.sh b/update.sh
index c544bf428..95056881a 100755
--- a/update.sh
+++ b/update.sh
@@ -176,6 +176,13 @@ EOF
   # install preview generator
   sudo -u www-data php /var/www/nextcloud/occ app:install previewgenerator
   sudo -u www-data php /var/www/nextcloud/occ app:enable  previewgenerator
+
+  # use separate db config file
+  [[ -f /etc/mysql/mariadb.conf.d/90-ncp.cnf ]] || {
+    cp /etc/mysql/mariadb.conf.d/50-server.cnf /etc/mysql/mariadb.conf.d/90-ncp.cnf
+    service mysql restart
+  }
+
 } # end - only live updates
 
 exit 0