diff --git a/wrap/io_trimesh/export_gts.h b/wrap/io_trimesh/export_gts.h
index ea7c0c7b..83bf9cfe 100644
--- a/wrap/io_trimesh/export_gts.h
+++ b/wrap/io_trimesh/export_gts.h
@@ -53,7 +53,7 @@ namespace vcg {
 				typedef typename SaveMeshType::VertexIterator VertexIterator;
 				typedef typename SaveMeshType::FaceIterator FaceIterator;
 
-				static int Save(SaveMeshType &m, const char * filename, int mask=0 )
+				static int Save(SaveMeshType &m, const char * filename, int /*mask*/ )
 				{
 					QFile device(filename);
 					if (!device.open(QFile::WriteOnly))
diff --git a/wrap/io_trimesh/import_gts.h b/wrap/io_trimesh/import_gts.h
index daa48a18..9753e1db 100644
--- a/wrap/io_trimesh/import_gts.h
+++ b/wrap/io_trimesh/import_gts.h
@@ -185,7 +185,7 @@ namespace vcg
 						}
 
 						sa = line.split(' ');
-						if (!sa.size()>=3)
+						if (!(sa.size()>=3))
 						{
 							std::cerr << "Error parsing vertex " << line.toLocal8Bit().data() << "\n";
 							return InvalidFile;
@@ -213,7 +213,7 @@ namespace vcg
 						}
 
 						sa = line.split(' ');
-						if (!sa.size()>=2)
+						if (!(sa.size()>=2))
 						{
 							std::cerr << "Error parsing edge " << line.toLocal8Bit().data() << "\n";
 							return InvalidFile;
@@ -238,7 +238,7 @@ namespace vcg
 						}
 
 						sa = line.split(' ');
-						if (!sa.size()>=3)
+						if (!(sa.size()>=3))
 						{
 							std::cerr << "Error parsing face " << line.toLocal8Bit().data() << "\n";
 							return InvalidFile;