diff --git a/src/main/resources/message_schema.xsd b/src/main/resources/message_schema.xsd
index aebbd1a..1b2f451 100644
--- a/src/main/resources/message_schema.xsd
+++ b/src/main/resources/message_schema.xsd
@@ -4,29 +4,36 @@
 	xmlns="https://github.com/informatik-ag-ngl"
 	elementFormDefault="qualified">
 
-	<xs:element name="Message">
+	<xs:element name="Messages">
 		<xs:complexType>
 			<xs:sequence>
-				<xs:element name="MetaData">
-					<xs:complexType>
-						<xs:sequence>
-							<xs:element name="Sender" type="xs:string" />
-							<xs:element name="Recipient" type="xs:string" />
-							<xs:element name="Date" type="xs:date" />
-							<xs:element name="State" type="xs:boolean" />
-						</xs:sequence>
-					</xs:complexType>
-				</xs:element>
-				<xs:element name="Content" maxOccurs="unbounded">
-					<xs:complexType>
-						<xs:sequence>
-							<xs:element name="text" type="xs:string"/>
-						</xs:sequence>
-						<xs:attribute name="type" type="xs:string" />
-					</xs:complexType>
-				</xs:element>
+				<xs:element name="Message" type="Message" minOccurs="0"
+					maxOccurs="unbounded" />
 			</xs:sequence>
 		</xs:complexType>
 	</xs:element>
 
+	<xs:complexType name="Message">
+		<xs:sequence>
+			<xs:element name="MetaData">
+				<xs:complexType>
+					<xs:sequence>
+						<xs:element name="Sender" type="xs:string" />
+						<xs:element name="Recipient" type="xs:string" />
+						<xs:element name="Date" type="xs:date" />
+						<xs:element name="State" type="xs:boolean" />
+					</xs:sequence>
+				</xs:complexType>
+			</xs:element>
+			<xs:element name="Content" maxOccurs="unbounded">
+				<xs:complexType>
+					<xs:sequence>
+						<xs:element name="text" type="xs:string" />
+					</xs:sequence>
+					<xs:attribute name="type" type="xs:string" />
+				</xs:complexType>
+			</xs:element>
+		</xs:sequence>
+	</xs:complexType>
+
 </xs:schema> 
\ No newline at end of file