diff --git a/plugin.xml b/plugin.xml
index 41db483..670aa14 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -36,6 +36,14 @@
             name="DeltaMarker"
             restorable="true">
       </view>
+      <view
+            allowMultiple="true"
+            category="org.ntlab.traceDebugger.category"
+            class="org.ntlab.traceDebugger.CallTreeView"
+            id="org.ntlab.traceDebugger.callTreeView"
+            name="CallTree"
+            restorable="true">
+      </view>
    </extension>
    <extension
          point="org.eclipse.ui.perspectives">