diff --git a/yamls/us/main.yaml b/yamls/us/main.yaml
index 1285f090..41f5a4af 100644
--- a/yamls/us/main.yaml
+++ b/yamls/us/main.yaml
@@ -128,7 +128,7 @@
       - [0x2B690, hasm, setintmask]
       - [0x2B730, c, destroythread]
       - [0x2B830, asm]
-      - [0x2B940, asm]
+      - [0x2B940, hasm, probetlb]
       - [0x2BA00, asm]
       - [0x2BA10, asm]
       - [0x2BA70, asm]