diff --git a/wfobj.py b/wfobj.py
index df5079c..6e90984 100755
--- a/wfobj.py
+++ b/wfobj.py
@@ -37,7 +37,7 @@ class WFObj(object):
             for vs in vrefs_split:
                 if vs[0] < 1 or vs[0] > len(self.vertices):
                     raise ValueError('Vertex index %d out of range on line %d' % (vs[0], lineno))
-                if vs[1] < 0 or vs[0] > len(self.texcoords):
+                if vs[1] < 0 or vs[1] > len(self.texcoords):
                     raise ValueError('Texture coordinate index %d out of range on line %d' % (vs[1], lineno))
                 if vs[2] < 0 or vs[2] > len(self.normals):
                     raise ValueError('Normal index %d out of range on line %d' % (vs[2], lineno))