diff --git a/bom_replace_81-a.csv b/bom_replace_81-a.csv
index 693d6b2..d6f1cd2 100644
--- a/bom_replace_81-a.csv
+++ b/bom_replace_81-a.csv
@@ -19,6 +19,8 @@ R3,"0.5","R2512","C27777"
 R4,"0.5","R2512","C27777"
 R5,"0.5","R2512","C27777"
 
+# 32kHz crystal
+Y101,"32.768 kHz","SMD2012","C97602"
 # AP2337->AP2331 (less power, but ok)
 U103,"AP2331TDSA-7","SOT-23","C183303"
 U480,"AP2331TDSA-7","SOT-23","C183303"