diff --git a/database_settings.sql b/database_settings.sql
index 76c3601..cc2f12a 100644
--- a/database_settings.sql
+++ b/database_settings.sql
@@ -1,15 +1,13 @@
 create table channels(id int primary key not null,
 	server_id int not null, -- foreign key in servers table
 	name text not null,
-	public int not null,
-	accessor int -- foreign key in accessors table
+	public int not null
 );
 
 create table users(id int primary key not null,
 	name text not null,
 	password text not null,
-	privileges int not null, -- 0 - normal user, 1 - moderator, 2 - administrator
-	accessor int -- foreign key in accessors table
+	privileges int not null -- 0 - normal user, 1 - moderator, 2 - administrator
 );
 
 create table servers(id int primary key not null,
diff --git a/frontend.pm b/frontend.pm
index f992519..464ccae 100644
--- a/frontend.pm
+++ b/frontend.pm
@@ -17,6 +17,7 @@
 package frontend;
 
 use IO::Socket;
+use Digest::SHA;
 use File::Spec;
 use Time::Piece;
 use DBI;
@@ -450,11 +451,22 @@ sub sendResponse {
 
 sub httpServerWorker {
 	my $db = DBI->connect("DBI:SQLite:dbname=$configuration::database", "", "", {RaiseError=>1});
+	my $query = $db->prepare(qq(select id from users;));
+	$query->execute();
+	my @row = $query->fetchrow_array();
+	if(scalar(@row)==0) {
+		# Create default user
+		my $password = Digest::SHA::sha256_hex("admin");
+		$query = $db->prepare(qq(insert into users values(0, "admin", "$password", 2);));
+		$query->execute();
+	}
+
 	my $server = new IO::Socket::INET(LocalHost=>"localhost", LocalPort=>$configuration::httpServerPort, Proto=>"tcp", Listen=>1, Reuse=>1);
 	if(!$server) {
 		print("Failed to open HTTP server on port $configuration::httpServerPort\n");
 		return;
 	}
+
 	while(1) {
 		my $client = $server->accept();
 		my $buffer;
diff --git a/frontend_routes.pm b/frontend_routes.pm
index 8a493e4..00e6b39 100644
--- a/frontend_routes.pm
+++ b/frontend_routes.pm
@@ -91,8 +91,7 @@ sub handlePath {
 		}
 
 		my $username = $parameters{'username'};
-		#my $hashedPassword = Digest::SHA::sha256_hex($parameters{"password"});
-		my $hashedPassword = $parameters{"password"};
+		my $hashedPassword = Digest::SHA::sha256_hex($parameters{"password"});
 		my $query = $aConnection->prepare(qq(select name, password from users where name=?;));
 		$query->execute($username);
 		my @row = $query->fetchrow_array();
@@ -237,7 +236,8 @@ sub handlePath {
 		$query->execute($session->{"username"});
 		my @row = $query->fetchrow_array();
 		my $password = $row[0];
-		if($parameters{"currentPassword"} ne $password) {
+		my $hashedPassword = Digest::SHA::sha256_hex($password);
+		if($hashedPassword ne $password) {
 			frontend::sendBadRequest($aClient, "Wrong password");
 			return 1;
 		}
@@ -247,7 +247,7 @@ sub handlePath {
 		}
 
 		$query = $aConnection->prepare(qq(update users set password=? where name=?;));
-		$query->execute($parameters{"newPassword"}, $session->{"username"});
+		$query->execute(Digest::SHA::sha256_hex($parameters{"newPassword"}), $session->{"username"});
 		frontend::redirect($aClient, "/password_changed.html");
 
 		return 1;
diff --git a/prepare_database.sh b/prepare_database.sh
old mode 100644
new mode 100755