diff --git a/lisa/tools/lscpu.py b/lisa/tools/lscpu.py
index 5e3d0b0997..8e6bb5c11b 100644
--- a/lisa/tools/lscpu.py
+++ b/lisa/tools/lscpu.py
@@ -53,7 +53,7 @@ def __repr__(self) -> str:
 
 
 ARCH_X86_64 = "x86_64"
-ARCH_AARCH64 = "aarch_64"
+ARCH_AARCH64 = "aarch64"
 
 
 class Lscpu(Tool):