diff --git a/WHATS_NEW b/WHATS_NEW
index 2644d37ea..2f08468be 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.176 -
 ===================================
+  Avoid internal error when resizing cache type _tdata LV (not yet supported).
   Show original converted names when lvconverting LV to pool volume.
   Move lib code used only by liblvm into metadata-liblvm.c.
   Distinguish between device not found and excluded by filter.
diff --git a/lib/metadata/lv_manip.c b/lib/metadata/lv_manip.c
index c0e9a99ab..b03f9cf97 100644
--- a/lib/metadata/lv_manip.c
+++ b/lib/metadata/lv_manip.c
@@ -4797,7 +4797,8 @@ static int _lvresize_check(struct logical_volume *lv,
 		return 0;
 	}
 
-	if (lv_is_cache_type(lv)) {
+	if (lv_is_cache_type(lv) ||
+	    (lv_is_thin_pool(lv) && lv_is_cache_type(seg_lv(first_seg(lv), 0)))) {
 		log_error("Unable to resize logical volumes of cache type.");
 		return 0;
 	}