--- gauss_iir.c~	2003-12-17 12:18:43.000000000 +0100
+++ gauss_iir.c	2004-01-13 11:55:40.000000000 +0100
@@ -545,7 +545,16 @@ gauss_iir (GimpDrawable *drawable,
   if (horz <= 0.0 && vert <= 0.0)
     return;
 
-  gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
+  /* This used to be:
+      gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
+
+    but doing so leads to bug #93856
+    <http://bugzilla.gnome.org/show_bug.cgi?id=93856> */
+
+  x1 = 0;
+  y1 = 0;
+  x2 = gimp_drawable_width (drawable->drawable_id);
+  y2 = gimp_drawable_height (drawable->drawable_id);
 
   width  = (x2 - x1);
   height = (y2 - y1);
