diff --git a/mindplot/src/main/javascript/Designer.js b/mindplot/src/main/javascript/Designer.js
index 456921e4..6909f527 100644
--- a/mindplot/src/main/javascript/Designer.js
+++ b/mindplot/src/main/javascript/Designer.js
@@ -440,8 +440,9 @@ mindplot.Designer = new Class({
             }
             // Execute event ...
             var topic = nodes[0];
-            this._actionDispatcher.shrinkBranch([topic.getId()], !topic.areChildrenShrunken());
-
+            if (topic.getType() != mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE) {
+                this._actionDispatcher.shrinkBranch([topic.getId()], !topic.areChildrenShrunken());
+            }
         },
 
         createChildForSelectedNode:function () {
diff --git a/mindplot/src/main/javascript/Topic.js b/mindplot/src/main/javascript/Topic.js
index b7e31ffd..afd3c660 100644
--- a/mindplot/src/main/javascript/Topic.js
+++ b/mindplot/src/main/javascript/Topic.js
@@ -598,7 +598,7 @@ mindplot.Topic = new Class({
 
     areChildrenShrunken:function () {
         var model = this.getModel();
-        return model.areChildrenShrunken();
+        return model.areChildrenShrunken() && !this.isCentralTopic();
     },
 
     isCollapsed:function () {
diff --git a/mindplot/src/main/javascript/persistence/XMLSerializer_Pela.js b/mindplot/src/main/javascript/persistence/XMLSerializer_Pela.js
index 95da6d9d..e2e22411 100644
--- a/mindplot/src/main/javascript/persistence/XMLSerializer_Pela.js
+++ b/mindplot/src/main/javascript/persistence/XMLSerializer_Pela.js
@@ -92,7 +92,7 @@ mindplot.persistence.XMLSerializer_Pela = new Class({
 
         }
 
-        if (topic.areChildrenShrunken()) {
+        if (topic.areChildrenShrunken() && topic.getType() != mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE) {
             parentTopic.setAttribute('shrink', 'true');
         }