diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
index a926a74..42787f9 100644
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -7,6 +7,18 @@
 		<param-name>org.eclipse.jetty.servlet.Default.welcomeServlets</param-name>
 		<param-value>exact</param-value>
 	</context-param>
+	<servlet>
+		<servlet-name>jsp</servlet-name>
+		<servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class>
+		<init-param>
+			<param-name>compilerSourceVM</param-name>
+			<param-value>1.7</param-value>
+		</init-param>
+		<init-param>
+			<param-name>compilerTargetVM</param-name>
+			<param-value>1.7</param-value>
+		</init-param>
+	</servlet>
 	<servlet>
 		<servlet-name>plantumlservlet</servlet-name>
 		<servlet-class>net.sourceforge.plantuml.servlet.PlantUmlServlet</servlet-class>