diff --git a/gui/LegacyModEditDialog.cpp b/gui/LegacyModEditDialog.cpp
index f1e0af6f..616fc050 100644
--- a/gui/LegacyModEditDialog.cpp
+++ b/gui/LegacyModEditDialog.cpp
@@ -35,12 +35,12 @@ LegacyModEditDialog::LegacyModEditDialog( LegacyInstance* inst, QWidget* parent
 		ensureFolderPathExists(m_inst->jarModsDir());
 		m_jarmods = m_inst->jarModList();
 		ui->jarModsTreeView->setModel(m_jarmods.data());
-		
+#ifndef Q_OS_LINUX
 		// FIXME: internal DnD causes segfaults later
 		ui->jarModsTreeView->setDragDropMode(QAbstractItemView::DragDrop);
 		// FIXME: DnD is glitched with contiguous (we move only first item in selection)
 		ui->jarModsTreeView->setSelectionMode(QAbstractItemView::SingleSelection);
-		
+#endif
 		ui->jarModsTreeView->installEventFilter( this );
 		m_jarmods->startWatching();
 	}
diff --git a/gui/mainwindow.cpp b/gui/mainwindow.cpp
index cef5f278..7cdf93ad 100644
--- a/gui/mainwindow.cpp
+++ b/gui/mainwindow.cpp
@@ -410,9 +410,11 @@ void MainWindow::on_actionRenameInstance_triggered()
 		
 		if (name.length() > 0)
 		{
-			if(ok && name.length() && name.length() <= 25)
+			if(ok && name.length())
+			{
 				m_selectedInstance->setName(name);
-			renameButton->setText(name);
+				renameButton->setText(name);
+			}
 		}
 		
 	}
diff --git a/logic/LegacyUpdate.cpp b/logic/LegacyUpdate.cpp
index e259a674..fa93ab8f 100644
--- a/logic/LegacyUpdate.cpp
+++ b/logic/LegacyUpdate.cpp
@@ -250,7 +250,7 @@ void LegacyUpdate::jarFailed()
 	emitFailed("Failed to download the minecraft jar. Try again later.");
 }
 
-bool LegacyUpdate::MergeZipFiles( QuaZip* into, QFileInfo from, QSet< QString >& contained )
+bool LegacyUpdate::MergeZipFiles( QuaZip* into, QFileInfo from, QSet< QString >& contained, MetainfAction metainf )
 {
 	setStatus("Installing mods - Adding " + from.fileName());
 	
@@ -262,15 +262,22 @@ bool LegacyUpdate::MergeZipFiles( QuaZip* into, QFileInfo from, QSet< QString >&
 	for(bool more=modZip.goToFirstFile(); more; more=modZip.goToNextFile())
 	{
 		QString filename = modZip.getCurrentFileName();
-		if(filename.contains("META-INF"))
+		if(filename.contains("META-INF") && metainf == LegacyUpdate::IgnoreMetainf)
+		{
+			qDebug() << "Skipping META-INF " << filename << " from " << from.fileName();
 			continue;
+		}
 		if(contained.contains(filename))
+		{
+			qDebug() << "Skipping already contained file " << filename << " from " << from.fileName();
 			continue;
+		}
 		contained.insert(filename);
 		qDebug() << "Adding file " << filename << " from " << from.fileName();
 		
 		if(!fileInsideMod.open(QIODevice::ReadOnly))
 		{
+			qDebug() << "Failed to open " << filename << " from " << from.fileName();
 			return false;
 		}
 		/*
@@ -283,6 +290,7 @@ bool LegacyUpdate::MergeZipFiles( QuaZip* into, QFileInfo from, QSet< QString >&
 		*/
 		if(!zipOutFile.open(QIODevice::WriteOnly, info_out))
 		{
+			qDebug() << "Failed to open " << filename << " in the jar";
 			fileInsideMod.close();
 			return false;
 		}
@@ -290,6 +298,7 @@ bool LegacyUpdate::MergeZipFiles( QuaZip* into, QFileInfo from, QSet< QString >&
 		{
 			zipOutFile.close();
 			fileInsideMod.close();
+			qDebug() << "Failed to copy data of " << filename << " into the jar";
 			return false;
 		}
 		zipOutFile.close();
@@ -369,7 +378,7 @@ void LegacyUpdate::ModTheJar()
 		auto &mod = modList->operator[](i);
 		if (mod.type() == Mod::MOD_ZIPFILE)
 		{
-			if(!MergeZipFiles(&zipOut, mod.filename(), addedFiles))
+			if(!MergeZipFiles(&zipOut, mod.filename(), addedFiles, LegacyUpdate::KeepMetainf))
 			{
 				zipOut.close();
 				QFile::remove(runnableJar.filePath());
@@ -408,7 +417,7 @@ void LegacyUpdate::ModTheJar()
 		}
 	}
 	
-	if(!MergeZipFiles(&zipOut, baseJar, addedFiles))
+	if(!MergeZipFiles(&zipOut, baseJar, addedFiles, LegacyUpdate::IgnoreMetainf))
 	{
 		zipOut.close();
 		QFile::remove(runnableJar.filePath());
diff --git a/logic/LegacyUpdate.h b/logic/LegacyUpdate.h
index a68d67bb..c94fc4c6 100644
--- a/logic/LegacyUpdate.h
+++ b/logic/LegacyUpdate.h
@@ -48,7 +48,12 @@ private slots:
 	
 	void ModTheJar();
 private:
-	bool MergeZipFiles(QuaZip *into, QFileInfo from, QSet<QString>& contained);
+	enum MetainfAction
+	{
+		KeepMetainf, // the META-INF folder will be added from the merged jar
+		IgnoreMetainf // the META-INF from the merged jar will be ignored
+	};
+	bool MergeZipFiles(QuaZip *into, QFileInfo from, QSet<QString>& contained, MetainfAction metainf);
 private:
 	
 	QSharedPointer<QNetworkReply> m_reply;