diff --git a/ChangeLog b/ChangeLog
index 2f99b4004b..edea006b4b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Mar 12 21:25:51 1998  Scott Goehring  <scott@poverty.bloomington.in.us>
+
+	* app/undo.c (undo_pop_layer_mod): Fixed a desynch bug when
+	undoing "add alpha layer".
+
 Thu Mar 12 22:52:47 1998  Tim Janik  <timj@gimp.org>
 
 	* about_dialog.c:
diff --git a/app/core/gimpimage-undo-push.c b/app/core/gimpimage-undo-push.c
index e85f7f5b05..5df05b2d3b 100644
--- a/app/core/gimpimage-undo-push.c
+++ b/app/core/gimpimage-undo-push.c
@@ -1225,6 +1225,7 @@ undo_pop_layer_mod (GImage *gimage,
   GIMP_DRAWABLE(layer)->height = tiles->levels[0].height;
   GIMP_DRAWABLE(layer)->bytes = tiles->levels[0].bpp;
   GIMP_DRAWABLE(layer)->type = layer_type;
+  GIMP_DRAWABLE(layer)->has_alpha = TYPE_HAS_ALPHA (layer_type);
 
   if (layer->mask) 
     {
diff --git a/app/undo.c b/app/undo.c
index e85f7f5b05..5df05b2d3b 100644
--- a/app/undo.c
+++ b/app/undo.c
@@ -1225,6 +1225,7 @@ undo_pop_layer_mod (GImage *gimage,
   GIMP_DRAWABLE(layer)->height = tiles->levels[0].height;
   GIMP_DRAWABLE(layer)->bytes = tiles->levels[0].bpp;
   GIMP_DRAWABLE(layer)->type = layer_type;
+  GIMP_DRAWABLE(layer)->has_alpha = TYPE_HAS_ALPHA (layer_type);
 
   if (layer->mask) 
     {