diff --git a/yamls/us/main.yaml b/yamls/us/main.yaml
index ae1d3e23..c607e126 100644
--- a/yamls/us/main.yaml
+++ b/yamls/us/main.yaml
@@ -97,7 +97,7 @@
       - [0x27E10, c, spsetstat]
       - [0x27E20, hasm, bcopy]
       - [0x28130, c, virtualtophysical]
-      - [0x281B0, asm]
+      - [0x281B0, hasm, writebackdcache]
       - [0x28230, asm]
       - [0x28270, asm]
       - [0x28300, asm]