diff --git a/compiler/options.py b/compiler/options.py
index 1899d085..def59c7c 100644
--- a/compiler/options.py
+++ b/compiler/options.py
@@ -75,4 +75,5 @@ class options(optparse.Values):
     replica_bitcell = "replica_bitcell"
     bitcell = "bitcell"
     delay_chain = "delay_chain"
+    bank_select = "bank_select"