diff --git a/FileOFF.cc b/FileOFF.cc
index dd67b877226b8a593778c4dc60646b1a5632cefa..703b5b77de874016566323dc1ef4bb0f81df3877 100644
--- a/FileOFF.cc
+++ b/FileOFF.cc
@@ -93,7 +93,9 @@ FileOFFPlugin::FileOFFPlugin()
   userWriteOptions_(0),
   forceTriangleMesh_(false),
   forcePolyMesh_(false),
-  readColorComp_(false) {
+  readColorComp_(false),
+  trimeshOptions_(OFFImporter::NONE)
+{
 }
 
 //-----------------------------------------------------------------------------------------------------
@@ -534,9 +536,9 @@ bool FileOFFPlugin::readOFFFile(QString _filename, OFFImporter& _importer) {
             // Create message box
             QMetaObject::invokeMethod(this,"handleTrimeshDialog",Qt::BlockingQueuedConnection);
 
-            if (trimeshOptions == OFFImporter::TRIMESH)
+            if (trimeshOptions_ == OFFImporter::TRIMESH)
                 type = DATA_TRIANGLE_MESH;
-            else if (trimeshOptions == OFFImporter::POLYMESH)
+            else if (trimeshOptions_ == OFFImporter::POLYMESH)
                 type = DATA_POLY_MESH;
             else
                 type = _importer.isTriangleMesh() ? DATA_TRIANGLE_MESH : DATA_POLY_MESH;
@@ -579,9 +581,9 @@ void FileOFFPlugin::handleTrimeshDialog()
 
 
    if (msgBox.clickedButton() == triButton)
-    trimeshOptions =  OFFImporter::TRIMESH ;
+     trimeshOptions_ =  OFFImporter::TRIMESH ;
    else if (msgBox.clickedButton() == polyButton)
-    trimeshOptions = OFFImporter::POLYMESH ;
+     trimeshOptions_ = OFFImporter::POLYMESH ;
 }
 
 //-----------------------------------------------------------------------------------------------------
diff --git a/FileOFF.hh b/FileOFF.hh
index 9e4e6d3436484320103c40f6592b409075b2cdc9..02923d4cf9015cc7ecb570d5462609ebaa108e68 100644
--- a/FileOFF.hh
+++ b/FileOFF.hh
@@ -269,7 +269,7 @@ class FileOFFPlugin : public QObject, BaseInterface, FileInterface, LoadSaveInte
     bool forceTriangleMesh_;
     bool forcePolyMesh_;
     bool readColorComp_;
-    OFFImporter::ObjectOptionsE trimeshOptions;
+    OFFImporter::ObjectOptionsE trimeshOptions_;
 };
 
 #if defined(INCLUDE_TEMPLATES) && !defined(FILEOFFPLUGIN_C)