diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c
index 8b7329cf940..1f86f616bd3 100644
--- a/source/blender/blenkernel/intern/DerivedMesh.c
+++ b/source/blender/blenkernel/intern/DerivedMesh.c
@@ -3456,7 +3456,7 @@ void DM_calc_loop_tangents(
 				 * have to check this is valid...
 				 */
 				mesh2tangent->precomputedLoopNormals = dm->getLoopDataArray(dm, CD_NORMAL);
-				mesh2tangent->precomputedFaceNormals = CustomData_get_layer(&dm->faceData, CD_NORMAL);
+				mesh2tangent->precomputedFaceNormals = CustomData_get_layer(&dm->polyData, CD_NORMAL);
 
 				mesh2tangent->orco = NULL;
 				mesh2tangent->mloopuv = CustomData_get_layer_named(&dm->loopData, CD_MLOOPUV, dm->loopData.layers[index].name);