diff -Naur meshlab.orig/src/meshlab/main.cpp meshlab/src/meshlab/main.cpp
--- meshlab.orig/src/meshlab/main.cpp	2016-10-30 19:47:18.130692500 +0100
+++ meshlab/src/meshlab/main.cpp	2016-10-30 19:49:14.529497595 +0100
@@ -20,6 +20,7 @@
 * for more details.                                                         *
 *                                                                           *
 ****************************************************************************/
+#include <locale.h>
 #include <common/mlapplication.h>
 #include <QMessageBox>
 #include "mainwindow.h"
@@ -29,6 +30,7 @@
 {
 
     MeshLabApplication app(argc, argv);
+    setlocale(LC_ALL, "C");
     QLocale::setDefault(QLocale::C);
     QCoreApplication::setOrganizationName(MeshLabApplication::organization());
 #if QT_VERSION >= 0x050100