diff --git a/wise-webapp/src/main/java/com/wisemapping/model/MindmapUtils.java b/wise-webapp/src/main/java/com/wisemapping/model/MindmapUtils.java
index 7b5fd5c8..9a519d4e 100644
--- a/wise-webapp/src/main/java/com/wisemapping/model/MindmapUtils.java
+++ b/wise-webapp/src/main/java/com/wisemapping/model/MindmapUtils.java
@@ -6,7 +6,7 @@ import org.jetbrains.annotations.Nullable;
 
 abstract public class MindmapUtils {
 
-    private static final int MAX_SUPPORTED_NODES = 1000;
+    private static final int MAX_SUPPORTED_NODES = 4000;
 
     public static void verifyMindmap(@Nullable String xmlDoc) throws InvalidMindmapException {
         if (xmlDoc == null || xmlDoc.trim().isEmpty()) {