diff --git a/WHATS_NEW b/WHATS_NEW
index 18e860c1d..44682a6eb 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.98 -
 =================================
+  Fix lvm2api data_percent reporting for thin volumes.
   Do not allow RAID LVs in a clustered volume group.
   Update lvconvert to support stacking of devs for thin meta/data devs.
   Support changes of permissions for thin snapshot volumes.
diff --git a/lib/report/properties.c b/lib/report/properties.c
index d2eac5e9e..4129b01bb 100644
--- a/lib/report/properties.c
+++ b/lib/report/properties.c
@@ -104,6 +104,12 @@ static percent_t _data_percent(const struct logical_volume *lv)
 {
 	percent_t perc;
 
+	if (lv_is_cow(lv))
+		return _snap_percent(lv);
+
+	if (lv_is_thin_volume(lv))
+		return lv_thin_percent(lv, 0, &perc) ? perc : PERCENT_INVALID;
+
 	return lv_thin_pool_percent(lv, 0, &perc) ? perc : PERCENT_INVALID;
 }