diff --git a/src/ACGL/OpenGL/Data/GeometryDataLoadStoreOBJ.cc b/src/ACGL/OpenGL/Data/GeometryDataLoadStoreOBJ.cc
index 7f5b8850382986a45fe4d308546ba184699acae6..8edc7802ff688bcb4acaea6d933a3747e6da7d66 100644
--- a/src/ACGL/OpenGL/Data/GeometryDataLoadStoreOBJ.cc
+++ b/src/ACGL/OpenGL/Data/GeometryDataLoadStoreOBJ.cc
@@ -11,6 +11,7 @@
 
 #include <fstream>
 #include <string>
+#include <clocale>
 
 using namespace ACGL;
 using namespace ACGL::OpenGL;
@@ -145,6 +146,10 @@ namespace OpenGL{
 
 SharedGeometryData loadGeometryDataFromOBJ(const std::string& _filename, bool _computeNormals)
 {
+    char *currentLocale;
+    currentLocale = setlocale( LC_NUMERIC, NULL ); // store current locale
+    setlocale( LC_NUMERIC, "C" ); // make sure the decimal point is a '.'
+
     SharedGeometryData data;
     MemoryMappedFile mmf(_filename.c_str());
     if(mmf.errorCode())
@@ -416,6 +421,8 @@ SharedGeometryData loadGeometryDataFromOBJ(const std::string& _filename, bool _c
     data->setSize(abDataElements * sizeof(GLfloat));
     data->setData((GLubyte*)abData);
 
+    setlocale( LC_NUMERIC, currentLocale ); // restore old locale
+
     return data;
 }