diff --git a/compiler/base/hierarchy_layout.py b/compiler/base/hierarchy_layout.py
index f9d3e889..7137566f 100644
--- a/compiler/base/hierarchy_layout.py
+++ b/compiler/base/hierarchy_layout.py
@@ -187,7 +187,7 @@ class layout():
                 pass
 
             # Skip computing the pitch for non-routing layers
-            if layer_id in ["active", "nwell"]:
+            if layer_id in ["active", "nwell", "pwell"]:
                 continue
 
             # Add the pitch