conf/example.conf.in  | 2 +-
 lib/config/defaults.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/conf/example.conf.in b/conf/example.conf.in
index 7ccf928..4418f56 100644
--- a/conf/example.conf.in
+++ b/conf/example.conf.in
@@ -325,7 +325,7 @@ devices {
 	# or activating LVs in it while a PV appears on multiple devices.
 	# Enabling this setting allows the VG to be used as usual even with
 	# uncertain devices.
-	allow_changes_with_duplicate_pvs = 0
+	allow_changes_with_duplicate_pvs = 1
 }
 
 # Configuration section allocation.
diff --git a/lib/config/defaults.h b/lib/config/defaults.h
index 6d3c37c..0d55928 100644
--- a/lib/config/defaults.h
+++ b/lib/config/defaults.h
@@ -45,7 +45,7 @@
 #define DEFAULT_DATA_ALIGNMENT_DETECTION 1
 #define DEFAULT_ISSUE_DISCARDS 0
 #define DEFAULT_PV_MIN_SIZE_KB 2048
-#define DEFAULT_ALLOW_CHANGES_WITH_DUPLICATE_PVS 0
+#define DEFAULT_ALLOW_CHANGES_WITH_DUPLICATE_PVS 1
 
 #define DEFAULT_LOCKING_LIB "liblvm2clusterlock.so"
 #define DEFAULT_ERROR_WHEN_FULL 0