diff --git a/interface/lib/classes/validate_server_directive_snippets.inc.php b/interface/lib/classes/validate_server_directive_snippets.inc.php
new file mode 100755
index 0000000000000000000000000000000000000000..751400766cfd78a0d8d67e7016dc81b04ad7d723
--- /dev/null
+++ b/interface/lib/classes/validate_server_directive_snippets.inc.php
@@ -0,0 +1,52 @@
+<?php
+
+/*
+Copyright (c) 2020, Florian Schaal, schaal @it UG
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name of ISPConfig nor the names of its contributors
+      may be used to endorse or promote products derived from this software without
+      specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+class validate_server_directive_snippets {
+
+	function get_error($errmsg) {
+		global $app;
+
+		if(isset($app->tform->wordbook[$errmsg])) {
+			return $app->tform->wordbook[$errmsg]."<br>\r\n";
+		} else {
+			return $errmsg."<br>\r\n";
+		}
+	}
+
+	function validate_snippet($field_name, $field_value, $validator) {
+		global $app;
+        $type=(isset($app->remoting_lib->dataRecord['type']))?$app->remoting_lib->dataRecord['type']:$_POST['type'];
+        $types = array('apache','nginx','php','proxy');
+        if(!in_array($type,$types)) return $this->get_error('directive_snippets_invalid_type');
+		$check = $app->db->queryAllRecords('SELECT * FROM directive_snippets WHERE name = ? AND type = ?', $field_value, $type);
+		if(!empty($check)) return $this->get_error('directive_snippets_name_error_unique');
+	}
+
+}
diff --git a/interface/web/admin/form/directive_snippets.tform.php b/interface/web/admin/form/directive_snippets.tform.php
index d451a5079594eb41fe5ba10bbdee36b90324e387..bd9466c310ca87737154c16b251a8de4ca492398 100644
--- a/interface/web/admin/form/directive_snippets.tform.php
+++ b/interface/web/admin/form/directive_snippets.tform.php
@@ -66,10 +66,9 @@ $form["tabs"]['directive_snippets'] = array (
 		'name' => array (
 			'datatype' => 'VARCHAR',
 			'formtype' => 'TEXT',
-			'validators' => array (  0 =>  array (    'type' => 'NOTEMPTY',
-					'errmsg'=> 'directive_snippets_name_empty'),
-				1 => array ( 'type' => 'UNIQUE',
-					'errmsg'=> 'directive_snippets_name_error_unique'),
+			'validators' => array (  
+				0 => array ( 'type' => 'NOTEMPTY', 'errmsg'=> 'directive_snippets_name_empty'),
+				1 => array ( 'type' => 'CUSTOM', 'class' => 'validate_server_directive_snippets', 'function' => 'validate_snippet'),
 			),
 			'filters'   => array(
 					0 => array( 'event' => 'SAVE',