diff --git a/api/src/Auth.php b/api/src/Auth.php
index 1ac600ec16..d5fb4819c8 100644
--- a/api/src/Auth.php
+++ b/api/src/Auth.php
@@ -231,7 +231,7 @@ class Auth
 	 * @param string $old_passwd must be cleartext
 	 * @param string $new_passwd must be cleartext
 	 * @param int $account_id account id of user whose passwd should be changed
-	 * @throws Exception\WrongUserInput if configured password strength is not meat
+	 * @throws Exception\WrongUserinput if configured password strength is not meat
 	 * @throws Exception from backends having extra requirements
 	 * @return boolean true if password successful changed, false otherwise
 	 */
@@ -239,7 +239,7 @@ class Auth
 	{
 		if (($err = self::crackcheck($new_passwd,null,null,null,$account_id)))
 		{
-			throw new Exception\WrongUserInput($err);
+			throw new Exception\WrongUserinput($err);
 		}
 		if (($ret = $this->backend->change_password($old_passwd, $new_passwd, $account_id)))
 		{
diff --git a/api/src/Categories.php b/api/src/Categories.php
index 42242ac6c6..cc2257b8bc 100644
--- a/api/src/Categories.php
+++ b/api/src/Categories.php
@@ -704,7 +704,7 @@ class Categories
 		if (isset($values['old_parent']) && (int)$values['old_parent'] != (int)$values['parent'])
 		{
 			$ret = $this->check_consistency4update($values);
-			if ($ret !== true) throw new Exception\WrongUserInput($ret);
+			if ($ret !== true) throw new Exception\WrongUserinput($ret);
 			// everything seems in order -> proceed
 			$values['level'] = ($values['parent'] ? $this->id2name($values['parent'],'level')+1:0);
 			$this->adapt_level_in_subtree($values);
@@ -717,7 +717,7 @@ class Categories
 			if ($values['parent'] > 0)
 			{
 				$ret = $this->check_consistency4update($values);
-				if ($ret !== true) throw new Exception\WrongUserInput($ret);
+				if ($ret !== true) throw new Exception\WrongUserinput($ret);
 
 				// everything seems in order -> proceed
 				$values['main']  = $this->id2name($values['parent'],'main');
diff --git a/api/src/Exception/WrongUserInput.php b/api/src/Exception/WrongUserinput.php
similarity index 100%
rename from api/src/Exception/WrongUserInput.php
rename to api/src/Exception/WrongUserinput.php
diff --git a/api/src/Vfs.php b/api/src/Vfs.php
index 988bb93a89..44ce055213 100644
--- a/api/src/Vfs.php
+++ b/api/src/Vfs.php
@@ -1088,7 +1088,7 @@ class Vfs extends Vfs\StreamWrapper
 			if (!preg_match($use='/^([ugoa]*)([+=-]+)([rwx]+)$/',$s,$matches))
 			{
 				$use = str_replace(array('/','^','$','(',')'),'',$use);
-				throw new Exception\WrongUserInput("$s is not an allowed mode, use $use !");
+				throw new Exception\WrongUserinput("$s is not an allowed mode, use $use !");
 			}
 			$base = (strpos($matches[3],'r') !== false ? self::READABLE : 0) |
 				(strpos($matches[3],'w') !== false ? self::WRITABLE : 0) |
diff --git a/setup/inc/class.setup_cmd_ldap.inc.php b/setup/inc/class.setup_cmd_ldap.inc.php
index a3f5c5a857..257943dbb7 100644
--- a/setup/inc/class.setup_cmd_ldap.inc.php
+++ b/setup/inc/class.setup_cmd_ldap.inc.php
@@ -315,7 +315,7 @@ class setup_cmd_ldap extends setup_cmd
 		// check if ads base does exist
 		if (!@ldap_read($ads->ds, $this->ads_context, 'objectClass=*'))
 		{
-			throw new Api\Exception\WrongUserInput(lang('Ads dn "%1" NOT found!',$this->ads_context));
+			throw new Api\Exception\WrongUserinput(lang('Ads dn "%1" NOT found!',$this->ads_context));
 		}
 
 		// connect to source ldap
@@ -324,7 +324,7 @@ class setup_cmd_ldap extends setup_cmd
 		// check if ldap base does exist
 		if (!@ldap_read($this->test_ldap->ds,$this->ldap_base,'objectClass=*'))
 		{
-			throw new Api\Exception\WrongUserInput(lang('Base dn "%1" NOT found!',$this->ldap_base));
+			throw new Api\Exception\WrongUserinput(lang('Base dn "%1" NOT found!',$this->ldap_base));
 		}
 
 		if (!($sr = ldap_search($this->test_ldap->ds,$this->ldap_base,
@@ -799,7 +799,7 @@ class setup_cmd_ldap extends setup_cmd
 	 * @param string $dn =null default $this->ldap_root_dn
 	 * @param string $pw =null default $this->ldap_root_pw
 	 * @param string $host =null default $this->ldap_host, hostname, ip or ldap-url
-	 * @throws Api\Exception\WrongUserInput Can not connect to ldap ...
+	 * @throws Api\Exception\WrongUserinput Can not connect to ldap ...
 	 */
 	private function connect($dn=null,$pw=null,$host=null)
 	{
@@ -809,7 +809,7 @@ class setup_cmd_ldap extends setup_cmd
 
 		if (!$pw)	// Api\Ldap::ldapConnect use the current eGW's pw otherwise
 		{
-			throw new Api\Exception\WrongUserInput(lang('You need to specify a password!'));
+			throw new Api\Exception\WrongUserinput(lang('You need to specify a password!'));
 		}
 
 		try {
@@ -817,7 +817,7 @@ class setup_cmd_ldap extends setup_cmd
 		}
 		catch (Api\Exception\NoPermission $e) {
 			_egw_log_exception($e);
-			throw new Api\Exception\WrongUserInput(lang('Can not connect to LDAP server on host %1 using DN %2!',
+			throw new Api\Exception\WrongUserinput(lang('Can not connect to LDAP server on host %1 using DN %2!',
 				$host,$dn).($this->test_ldap->ds ? ' ('.ldap_error($this->test_ldap->ds).')' : ''));
 		}
 		return lang('Successful connected to LDAP server on %1 using DN %2.',$this->ldap_host,$dn);
@@ -827,7 +827,7 @@ class setup_cmd_ldap extends setup_cmd
 	 * Count active (not expired) users
 	 *
 	 * @return int number of active users
-	 * @throws Api\Exception\WrongUserInput
+	 * @throws Api\Exception\WrongUserinput
 	 */
 	private function users()
 	{
@@ -852,7 +852,7 @@ class setup_cmd_ldap extends setup_cmd
 	 * Check and if does not yet exist create the new database and user
 	 *
 	 * @return string with success message
-	 * @throws Api\Exception\WrongUserInput
+	 * @throws Api\Exception\WrongUserinput
 	 */
 	private function create()
 	{
@@ -898,7 +898,7 @@ class setup_cmd_ldap extends setup_cmd
 		// check if base does exist
 		if (!@ldap_read($this->test_ldap->ds,$this->ldap_base,'objectClass=*'))
 		{
-			throw new Api\Exception\WrongUserInput(lang('Base dn "%1" NOT found!',$this->ldap_base));
+			throw new Api\Exception\WrongUserinput(lang('Base dn "%1" NOT found!',$this->ldap_base));
 		}
 		return lang('LDAP dn="%1" with %2 entries deleted.',
 			$this->ldap_base,$this->rdelete($this->ldap_base));
@@ -954,7 +954,7 @@ class setup_cmd_ldap extends setup_cmd
 		// check if base does exist
 		if (!@ldap_read($this->test_ldap->ds,$this->ldap_base,'objectClass=*'))
 		{
-			throw new Api\Exception\WrongUserInput(lang('Base dn "%1" NOT found!',$this->ldap_base));
+			throw new Api\Exception\WrongUserinput(lang('Base dn "%1" NOT found!',$this->ldap_base));
 		}
 		$object_class = $this->object_class ? $this->object_class : 'qmailUser';
 		$mbox_attr = $this->mbox_attr ? $this->mbox_attr : 'mailmessagestore';