diff --git a/arch/arm64/configs/generic_sxr_defconfig b/arch/arm64/configs/generic_sxr_defconfig
index d8e99cef845e..c1b2a3d0e2e4 100644
--- a/arch/arm64/configs/generic_sxr_defconfig
+++ b/arch/arm64/configs/generic_sxr_defconfig
@@ -58,6 +58,7 @@ CONFIG_SETEND_EMULATION=y
 CONFIG_RANDOMIZE_BASE=y
 # CONFIG_RANDOMIZE_MODULE_REGION_FULL is not set
 CONFIG_CMDLINE="stack_depot_disable=on kasan.stacktrace=off cgroup_disable=pressure cgroup.memory=nokmem"
+CONFIG_CMDLINE_EXTEND=y
 # CONFIG_DMI is not set
 CONFIG_PM_WAKELOCKS=y
 CONFIG_PM_WAKELOCKS_LIMIT=0