diff --git a/board/qemu/aarch64-sbsa/readme.txt b/board/qemu/aarch64-sbsa/readme.txt
index 7935108ef1..b62947f55f 100644
--- a/board/qemu/aarch64-sbsa/readme.txt
+++ b/board/qemu/aarch64-sbsa/readme.txt
@@ -17,7 +17,7 @@ Run the emulation with:
 
   qemu-system-aarch64 \
     -M sbsa-ref \
-    -cpu cortex-a53 \
+    -cpu cortex-a57 \
     -smp 4 \
     -m 1024 \
     -nographic \
diff --git a/configs/qemu_aarch64_sbsa_defconfig b/configs/qemu_aarch64_sbsa_defconfig
index d014140bf5..9285ad7586 100644
--- a/configs/qemu_aarch64_sbsa_defconfig
+++ b/configs/qemu_aarch64_sbsa_defconfig
@@ -1,6 +1,6 @@
 # Architecture
 BR2_aarch64=y
-BR2_cortex_a53=y
+BR2_cortex_a57=y
 
 # Toolchain
 BR2_TOOLCHAIN_BUILDROOT_WCHAR=y