diff --git a/tools/lvcreate.c b/tools/lvcreate.c
index e8523b3fe..214ac2fa7 100644
--- a/tools/lvcreate.c
+++ b/tools/lvcreate.c
@@ -429,6 +429,11 @@ static int _lvcreate(struct cmd_context *cmd, struct lvcreate_params *lp)
 				  "yet.");
 			return 0;
 		}
+		if (org->status & LOCKED) {
+			log_error("Snapshots of locked devices are not "
+				  "supported yet");
+			return 0;
+		}
 	}
 
 	if (!(lv = lv_create(vg->fid, lp->lv_name, status, alloc,
diff --git a/tools/lvremove.c b/tools/lvremove.c
index 69bb019a9..9d45ad6ab 100644
--- a/tools/lvremove.c
+++ b/tools/lvremove.c
@@ -39,6 +39,13 @@ static int lvremove_single(struct cmd_context *cmd, struct logical_volume *lv,
 		return ECMD_FAILED;
 	}
 
+	if (lv->status & LOCKED) {
+		log_error("Can't remove locked LV %s", lv->name);
+		return ECMD_FAILED;
+	}
+
+	/* FIXME Ensure not referred to by another existing LVs */
+
 	if (lv_info(lv, &info)) {
 		if (info.open_count) {
 			log_error("Can't remove open logical volume \"%s\"",
diff --git a/tools/lvrename.c b/tools/lvrename.c
index b2671b744..80278670f 100644
--- a/tools/lvrename.c
+++ b/tools/lvrename.c
@@ -143,6 +143,11 @@ int lvrename(struct cmd_context *cmd, int argc, char **argv)
 
 	lv = lvl->lv;
 
+	if (lv->status & LOCKED) {
+		log_error("Cannot rename locked LV %s", lv->name);
+		goto error;
+	}
+
 	if (!archive(lv->vg))
 		goto error;
 
diff --git a/tools/lvresize.c b/tools/lvresize.c
index 8c26544d9..e22eb3f39 100644
--- a/tools/lvresize.c
+++ b/tools/lvresize.c
@@ -140,6 +140,11 @@ int lvresize(struct cmd_context *cmd, int argc, char **argv)
 
 	lv = lvl->lv;
 
+	if (lv->status & LOCKED) {
+		log_error("Can't resize locked LV %s", lv->name);
+		goto error;
+	}
+
 	if (size) {
 		/* No of 512-byte sectors */
 		extents = size * 2;