diff --git a/conf/example.conf.in b/conf/example.conf.in
index 1dcbf5253..4ac09e2dc 100644
--- a/conf/example.conf.in
+++ b/conf/example.conf.in
@@ -381,7 +381,8 @@ allocation {
 	# Stripe across all PVs when RAID stripes are not specified.
 	# If enabled, all PVs in the VG or on the command line are used for raid0/4/5/6/10
 	# when the command does not specify the number of stripes to use.
-	raid_stripe_all_devices = 0
+	# This configuration option has an automatic default value.
+	# raid_stripe_all_devices = 0
 
 	# Configuration option allocation/cache_pool_metadata_require_separate_pvs.
 	# Cache pool metadata and data will always use different PVs.
diff --git a/lib/config/config_settings.h b/lib/config/config_settings.h
index 8b9932e8c..1e4b68927 100644
--- a/lib/config/config_settings.h
+++ b/lib/config/config_settings.h
@@ -461,7 +461,7 @@ cfg(allocation_mirror_logs_require_separate_pvs_CFG, "mirror_logs_require_separa
 	"Mirror logs and images will always use different PVs.\n"
 	"The default setting changed in version 2.02.85.\n")
 
-cfg(allocation_raid_stripe_all_devices_CFG, "raid_stripe_all_devices", allocation_CFG_SECTION, 0, CFG_TYPE_BOOL, DEFAULT_ALLOCATION_STRIPE_ALL_DEVICES, vsn(2, 2, 162), NULL, 0, NULL,
+cfg(allocation_raid_stripe_all_devices_CFG, "raid_stripe_all_devices", allocation_CFG_SECTION, CFG_DEFAULT_COMMENTED, CFG_TYPE_BOOL, DEFAULT_ALLOCATION_STRIPE_ALL_DEVICES, vsn(2, 2, 162), NULL, 0, NULL,
 	"Stripe across all PVs when RAID stripes are not specified.\n"
 	"If enabled, all PVs in the VG or on the command line are used for raid0/4/5/6/10\n"
 	"when the command does not specify the number of stripes to use.\n")