diff --git a/src/glayout/cells/elementary/transmission_gate/transmission_gate.py b/src/glayout/cells/elementary/transmission_gate/transmission_gate.py
index e45e13fc..7ef204d4 100644
--- a/src/glayout/cells/elementary/transmission_gate/transmission_gate.py
+++ b/src/glayout/cells/elementary/transmission_gate/transmission_gate.py
@@ -172,8 +172,8 @@ def  transmission_gate(
     top_level = Component()
 
     #two fets
-    nfet = nmos(pdk, width=width[0], fingers=fingers[0], multipliers=multipliers[0], with_dummy=True, with_dnwell=False,  with_substrate_tap=False, length=length[0], **kwargs)
-    pfet = pmos(pdk, width=width[1], fingers=fingers[1], multipliers=multipliers[1], with_dummy=True, with_substrate_tap=False, length=length[1], **kwargs)
+    nfet = nmos(pdk, width=width[0], fingers=fingers[0], multipliers=multipliers[0], with_dummy=True, with_dnwell=False,  with_substrate_tap=False, length=length[0], tie_layers=tie_layers, **kwargs)
+    pfet = pmos(pdk, width=width[1], fingers=fingers[1], multipliers=multipliers[1], with_dummy=True, with_substrate_tap=False, length=length[1], tie_layers=tie_layers, **kwargs)
     nfet_ref = top_level << nfet
     pfet_ref = top_level << pfet 
     pfet_ref = rename_ports_by_orientation(pfet_ref.mirror_y())