diff --git a/WHATS_NEW b/WHATS_NEW
index c3c8aff2f..06b8033d6 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.106 - 
 ====================================
+  Validate minimal chunk size for snapshot COW volume in lvconvert.
   Disallow lvconvert of origin to snapshot COW volume.
   Make report settings profilable.
   Add existing report settings to lvm.conf.
diff --git a/tools/lvconvert.c b/tools/lvconvert.c
index 1b9d9f737..7f27dd47b 100644
--- a/tools/lvconvert.c
+++ b/tools/lvconvert.c
@@ -2055,6 +2055,9 @@ static int _lvconvert_snapshot(struct cmd_context *cmd,
 		return 0;
 	}
 
+	if (!cow_has_min_chunks(lv->vg, lv->le_count, lp->chunk_size))
+		return_0;
+
 	if (org->status & (LOCKED|PVMOVE|MIRRORED) || lv_is_cow(org)) {
 		log_error("Unable to convert an LV into a snapshot of a %s LV.",
 			  org->status & LOCKED ? "locked" :