diff --git a/lib/locking/lvmlockd.c b/lib/locking/lvmlockd.c

index 0365797..a4684b4 100644

--- a/lib/locking/lvmlockd.c

+++ b/lib/locking/lvmlockd.c

@@ -2148,7 +2148,7 @@ int lockd_lv_name(struct cmd_context *cmd, struct volume_group *vg,

 static int _lockd_lv_thin(struct cmd_context *cmd, struct logical_volume *lv,

 			  const char *def_mode, uint32_t flags)

 {

-	struct logical_volume *pool_lv;

+	struct logical_volume *pool_lv = NULL;

 	if (lv_is_thin_volume(lv)) {

 		struct lv_segment *pool_seg = first_seg(lv);