diff --git a/src/test/java/net/sourceforge/plantuml/servlet/TestProxy.java b/src/test/java/net/sourceforge/plantuml/servlet/TestProxy.java
index 1d769ff..3e2e1a7 100644
--- a/src/test/java/net/sourceforge/plantuml/servlet/TestProxy.java
+++ b/src/test/java/net/sourceforge/plantuml/servlet/TestProxy.java
@@ -12,6 +12,7 @@ public class TestProxy extends WebappTestCase {
      * Verifies the proxified reception of the default Bob and Alice diagram
      */
     public void testDefaultProxy() throws IOException {
+        net.sourceforge.plantuml.servlet.ProxyServlet.goTest();
         final URL url = new URL(getServerUrl() + "/proxy?src=" + getServerUrl() + "/resource/test2diagrams.txt");
         final URLConnection conn = url.openConnection();
         // Analyze response
diff --git a/src/test/java/net/sourceforge/plantuml/servlet/WebappTestCase.java b/src/test/java/net/sourceforge/plantuml/servlet/WebappTestCase.java
index 1652096..8eeca65 100644
--- a/src/test/java/net/sourceforge/plantuml/servlet/WebappTestCase.java
+++ b/src/test/java/net/sourceforge/plantuml/servlet/WebappTestCase.java
@@ -20,6 +20,7 @@ public abstract class WebappTestCase extends TestCase {
 
     public WebappTestCase() {
         this(null);
+        net.sourceforge.plantuml.servlet.ProxyServlet.goTest();
     }
 
     public WebappTestCase(String name) {