diff --git a/boot.php b/boot.php
index f4468bee92..74a14ae10a 100644
--- a/boot.php
+++ b/boot.php
@@ -14,7 +14,7 @@ require_once('include/features.php');
 define ( 'FRIENDICA_PLATFORM',     'Friendica');
 define ( 'FRIENDICA_VERSION',      '3.2.1753' );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
-define ( 'DB_UPDATE_VERSION',      1170      );
+define ( 'DB_UPDATE_VERSION',      1171      );
 define ( 'EOL',                    "<br />\r\n"     );
 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
 
diff --git a/update.php b/update.php
index 9303e5d19c..d0fddcf276 100644
--- a/update.php
+++ b/update.php
@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1170 );
+define( 'UPDATE_VERSION' , 1171 );
 
 /**
  *
@@ -1599,3 +1599,10 @@ function update_1169() {
 
 	return UPDATE_SUCCESS;
 }
+
+function update_1170() {
+	$r = q("ALTER TABLE `guid` CHANGE `guid` `guid` VARCHAR( 255 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL");
+	if (!$r)
+		return UPDATE_FAILED;
+	return UPDATE_SUCCESS;
+}