diff --git a/kernel/x86_64/sasum.c b/kernel/x86_64/sasum.c
index d0cea9bee..a021741c7 100644
--- a/kernel/x86_64/sasum.c
+++ b/kernel/x86_64/sasum.c
@@ -11,7 +11,7 @@
 
 #if defined(SKYLAKEX)
 #include "sasum_microk_skylakex-2.c"
-#elif defined(HASWELL)
+#elif defined(HASWELL) || defined(ZEN)
 #include "sasum_microk_haswell-2.c"
 #endif