diff --git a/docking-api/src/ModernDocking/api/LayoutPersistenceAPI.java b/docking-api/src/ModernDocking/api/LayoutPersistenceAPI.java
index 64517f2e..8fe7c8dd 100644
--- a/docking-api/src/ModernDocking/api/LayoutPersistenceAPI.java
+++ b/docking-api/src/ModernDocking/api/LayoutPersistenceAPI.java
@@ -421,7 +421,7 @@ private WindowLayout readLayoutFromReader(XMLStreamReader reader) throws XMLStre
         String locStr = reader.getAttributeValue(1);
         String sizeStr = reader.getAttributeValue(2);
         int state = Integer.parseInt(reader.getAttributeValue(3));
-        String maximizedDockable = reader.getAttributeValue(4);
+        String maximizedDockable = reader.getAttributeCount() >= 5 ? reader.getAttributeValue(4) : null;
 
         Point location = new Point(Integer.parseInt(locStr.substring(0, locStr.indexOf(","))), Integer.parseInt(locStr.substring(locStr.indexOf(",") + 1)));
         Dimension size = new Dimension(Integer.parseInt(sizeStr.substring(0, sizeStr.indexOf(","))), Integer.parseInt(sizeStr.substring(sizeStr.indexOf(",") + 1)));
diff --git a/docking-single-app/build.gradle b/docking-single-app/build.gradle
index 15b04b2d..91e77684 100644
--- a/docking-single-app/build.gradle
+++ b/docking-single-app/build.gradle
@@ -27,6 +27,8 @@ base {
 
 dependencies {
 	implementation project(':docking-api')
+
+	implementation 'com.fasterxml:aalto-xml:1.3.1'
 }
 
 java {