diff --git a/pygoscelis-config b/pygoscelis-config
index 3e683c7..3698e96 100644
--- a/pygoscelis-config
+++ b/pygoscelis-config
@@ -514,7 +514,7 @@ CONFIG_MITIGATION_RETHUNK=y
 CONFIG_MITIGATION_UNRET_ENTRY=y
 CONFIG_MITIGATION_IBPB_ENTRY=y
 CONFIG_MITIGATION_SRSO=y
-# CONFIG_MITIGATION_SLS is not set
+CONFIG_MITIGATION_SLS=y
 CONFIG_ARCH_HAS_ADD_PAGES=y
 
 #