diff --git a/unitypack/export.py b/unitypack/export.py
index 5337bbb..1b02842 100644
--- a/unitypack/export.py
+++ b/unitypack/export.py
@@ -87,6 +87,8 @@ def extract_indices(self):
 	def extract_vertices(self):
 		# unity 5+ has 8 channels (6 otherwise)
 		v5_channel_count = 8
+        # unity 2018 has 14 channels
+        v2018_channel_count = 14
 		buf = BinaryReader(BytesIO(self.mesh.vertex_data.data))
 		channels = self.mesh.vertex_data.channels
 		# actual streams attribute 'm_Streams' may only exist in unity 4,
@@ -105,25 +107,29 @@ def extract_vertices(self):
 							raise NotImplementedError("(%r) 16 bit floats are not supported" % (self.mesh))
 					# read the appropriate vertex value into the correct list
 					if ch and ch["dimension"] > 0 and ch["stream"] == s:
-						if j == 0:
-							self.vertices.append(OBJVector3().read(buf))
-						elif j == 1:
-							self.normals.append(OBJVector3().read(buf))
-						elif j == 2:
-							self.colors.append(OBJVector4().read_color(buf))
-						elif j == 3:
-							self.uv1.append(OBJVector2().read(buf))
-						elif j == 4:
-							self.uv2.append(OBJVector2().read(buf))
-						elif j == 5:
-							if channel_count == v5_channel_count:
-								self.uv3.append(OBJVector2().read(buf))
-							else:
-								self.tangents.append(OBJVector4().read(buf))
-						elif j == 6:  # for unity 5+
-							self.uv4.append(OBJVector2().read(buf))
-						elif j == 7:  # for unity 5+
-							self.tangents.append(OBJVector4().read(buf))
+                        if j == 0:
+                            self.vertices.append(OBJVector3().read(buf))
+                        elif j == 1:
+                            self.normals.append(OBJVector3().read(buf))
+                        elif j == 2:
+                            if channel_count == v2018_channel_count:
+                                self.tangents.append(OBJVector4().read(buf))
+                            else:
+                                self.colors.append(OBJVector4().read_color(buf))
+                        elif j == 3:
+                            self.uv1.append(OBJVector2().read(buf))
+                        elif j == 4:
+                            self.uv2.append(OBJVector2().read(buf))
+                        elif j == 5:
+                            if channel_count == v5_channel_count || channel_count == v2018_channel_count:
+                                self.uv3.append(OBJVector2().read(buf))
+                            else:
+                                self.tangents.append(OBJVector4().read(buf))
+                        elif j == 6:  # for unity 5+
+                            self.uv4.append(OBJVector2().read(buf))
+                        elif j == 7:  # for unity 5+
+                            if channel_count == v5_channel_count:
+                                self.tangents.append(OBJVector4().read(buf))
 			# TODO investigate possible alignment here, after each stream
 
 	def get_num_streams(self, channels):