diff --git a/client/src/org/compiere/apps/form/VTrxMaterial.java b/client/src/org/compiere/apps/form/VTrxMaterial.java
index 97d3bcb85c..3033fa1f32 100644
--- a/client/src/org/compiere/apps/form/VTrxMaterial.java
+++ b/client/src/org/compiere/apps/form/VTrxMaterial.java
@@ -198,6 +198,7 @@ public class VTrxMaterial extends CPanel
 			return;
 		m_mWindow = new GridWindow (wVO);
 		m_mTab = m_mWindow.getTab(0);
+		m_mWindow.initTab(0);
 		//
 		m_gridController = new GridController();
 		m_gridController.initGrid(m_mTab, true, m_WindowNo, null, null);