diff --git a/compiler/pgates/pgate.py b/compiler/pgates/pgate.py
index a8c45641..7ff73092 100644
--- a/compiler/pgates/pgate.py
+++ b/compiler/pgates/pgate.py
@@ -46,7 +46,8 @@ class pgate(design.design):
         # This is the space from a S/D contact to the supply rail
         contact_to_vdd_rail_space = 0.5 * self.m1_width + self.m1_space
         # This is a poly-to-poly of a flipped cell
-        poly_to_poly_gate_space = self.poly_extend_active + self.poly_space
+        poly_to_poly_gate_space = self.poly_extend_active + 0.5 * self.poly_space
+        
         self.top_bottom_space = max(contact_to_vdd_rail_space,
                                     poly_to_poly_gate_space)