Index: scribus/plugins/fileloader/scribus134format/scribus134format.cpp
===================================================================
--- scribus/plugins/fileloader/scribus134format/scribus134format.cpp	(revision 20526)
+++ scribus/plugins/fileloader/scribus134format/scribus134format.cpp	(working copy)
@@ -3240,9 +3240,9 @@
 			if (Mpage && (tagName != "MASTERPAGE"))
 				continue;
 			a = m_Doc->currentPage()->pageNr();
-			newPage = m_Doc->Pages->at(a);
 			if (Mpage)
 			{
+				newPage = m_Doc->MasterPages.at(a);
 				newPage->LeftPg = attrs.valueAsInt("LEFT", 0);
 				
 				if (!renamedPageName.isEmpty())
@@ -3250,6 +3250,8 @@
 				else
 					newPage->setPageName(attrs.valueAsString("NAM",""));
 			}
+			else
+				newPage = m_Doc->Pages->at(a);
 			if (attrs.hasAttribute("Size"))
 				newPage->m_pageSize = attrs.valueAsString("Size");
 			if (attrs.hasAttribute("Orientation"))
Index: scribus/plugins/fileloader/scribus13format/scribus13format.cpp
===================================================================
--- scribus/plugins/fileloader/scribus13format/scribus13format.cpp	(revision 20526)
+++ scribus/plugins/fileloader/scribus13format/scribus13format.cpp	(working copy)
@@ -2191,7 +2191,6 @@
 			if (((pg.tagName()=="PAGE") || (pg.tagName()=="MASTERPAGE")) && (pg.attribute("NUM").toInt() == pageNumber))
 			{
 				a = m_Doc->currentPage()->pageNr();
-				Apage = m_Doc->Pages->at(a);
 				if ((pg.tagName()!="MASTERPAGE") && (Mpage))
 				{
 					PAGE=PAGE.nextSibling();
@@ -2199,6 +2198,7 @@
 				}
 				if (Mpage)
 				{
+					Apage = m_Doc->MasterPages.at(a);
 					Apage->LeftPg=pg.attribute("LEFT", "0").toInt();
 					
 					if (!renamedPageName.isEmpty())
@@ -2206,6 +2206,8 @@
 					else
 						Apage->setPageName(pg.attribute("NAM",""));
 				}
+				else
+					Apage = m_Doc->Pages->at(a);
 				if (pg.hasAttribute("Size"))
 					Apage->m_pageSize = pg.attribute("Size");
 				if (pg.hasAttribute("Orientation"))
Index: scribus/plugins/fileloader/scribus150format/scribus150format.cpp
===================================================================
--- scribus/plugins/fileloader/scribus150format/scribus150format.cpp	(revision 20526)
+++ scribus/plugins/fileloader/scribus150format/scribus150format.cpp	(working copy)
@@ -5985,7 +5985,10 @@
 			if (Mpage && (tagName != "MASTERPAGE"))
 				continue;
 			a = m_Doc->currentPage()->pageNr();
-			newPage = m_Doc->Pages->at(a);
+			if (Mpage)
+				newPage = m_Doc->MasterPages.at(a);
+			else
+				newPage = m_Doc->Pages->at(a);
 			SimpleState *ss = NULL;
 			if (UndoManager::undoEnabled())
 			{
Index: scribus/scribusdoc.cpp
===================================================================
--- scribus/scribusdoc.cpp	(revision 20526)
+++ scribus/scribusdoc.cpp	(working copy)
@@ -5602,9 +5602,20 @@
 		is->set("CREATE_ITEM", "create_item");
 		is->setItem(newItem);
 		//Undo target rests with the Page for object specific undo
-		UndoObject *target = Pages->at(0);
-		if (newItem->OwnPage > -1)
-			target = Pages->at(newItem->OwnPage);
+		UndoObject *target;
+		if (newItem->OnMasterPage.isEmpty())
+		{
+			 target = Pages->at(0);
+			 if (newItem->OwnPage > -1)
+				 target = Pages->at(newItem->OwnPage);
+		}
+		else
+		{
+			target = MasterPages.at(0);
+			if (newItem->OwnPage > -1)
+				target = MasterPages.at(newItem->OwnPage);
+		}
+
 		undoManager->action(target, is);
 		//If the item is created "complete" (ie, not being created by drag/resize, commit to undomanager)
 		if (activeTransaction)