diff --git a/CHANGELOG.md b/CHANGELOG.md
index a7f83136..bcde30bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ For a more detailed list of past and incoming changes, see the commit history.
 - Fixed texture import dialog was opening a very tall window (issue #423)
 - Fixed detail layers "lines" showing on top of grass quads when MSAA is enabled
 - Fixed detail layer chunks disappearing unexpectedly when `map_scale` is very large
+- Fixed wrong density map when redoing the addition of a density map (undo/redo)
 
 
 1.7.2
diff --git a/addons/zylann.hterrain/tools/detail_editor/detail_editor.gd b/addons/zylann.hterrain/tools/detail_editor/detail_editor.gd
index cb3288e0..5521ec34 100644
--- a/addons/zylann.hterrain/tools/detail_editor/detail_editor.gd
+++ b/addons/zylann.hterrain/tools/detail_editor/detail_editor.gd
@@ -118,7 +118,7 @@ func _add_layer():
 	node.set_meta("_editor_icon", detail_layer_icon)
 	node.name = "HTerrainDetailLayer"
 	var map_index := terrain_data._edit_add_map(HTerrainData.CHANNEL_DETAIL)
-	var map_image := terrain_data.get_image(HTerrainData.CHANNEL_DETAIL)
+	var map_image := terrain_data.get_image(HTerrainData.CHANNEL_DETAIL, map_index)
 	var map_image_cache_id := _image_cache.save_image(map_image)
 	node.layer_index = map_index