Index: gimp/app/paint/gimppaintcore.c
===================================================================
RCS file: /cvs/gnome/gimp/app/paint/gimppaintcore.c,v
retrieving revision 1.105
diff -u -p -r1.105 gimppaintcore.c
--- gimp/app/paint/gimppaintcore.c	18 Feb 2004 18:57:43 -0000	1.105
+++ gimp/app/paint/gimppaintcore.c	18 May 2004 22:38:56 -0000
@@ -898,6 +898,9 @@ gimp_paint_core_interpolate (GimpPaintCo
       core->distance            = initial                    + t * dist;
       core->pixel_dist          = pixel_initial              + t * pixel_dist;
 
+      if (core->cur_coords.pressure < 0.0)
+        core->cur_coords.pressure = 0.0;
+
       /*  save the current brush  */
       current_brush = core->brush;
 
