diff --git a/CHANGES b/CHANGES
index ff9bc516c..0d6f67bbb 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,9 @@
 Changes for SVN top of tree:
 
+monster/animal/giant_worm/purple_worm.arc, ground/nimground/Nimground3_purple.arc:
+Replaced purple (unrecognized color) with black in magicmap and color_fg fields.
+Rick Tanner 2008-08-20
+
 disease/incontinence.arc, disease/diarrhea.arc, disease/rabies.arc: Make puddles
 from diseases go away after some time, for incontinence and rabies we should
 probably have shrinking animations, like for icor (and thus also for diarrhea),
diff --git a/ground/nimground/Nimground3_purple.arc b/ground/nimground/Nimground3_purple.arc
index 5ab70ed82..13ef95df1 100644
--- a/ground/nimground/Nimground3_purple.arc
+++ b/ground/nimground/Nimground3_purple.arc
@@ -14,6 +14,6 @@ no_pick 1
 editable 8
 is_floor 1
 speed 0.3
-magicmap purple
+magicmap black
 end
 
diff --git a/monster/animal/giant_worm/purple_worm.arc b/monster/animal/giant_worm/purple_worm.arc
index b13f9d1cf..3dfb952c2 100644
--- a/monster/animal/giant_worm/purple_worm.arc
+++ b/monster/animal/giant_worm/purple_worm.arc
@@ -43,7 +43,7 @@ can_cast_spell 1
 can_see_in_dark 1
 see_invisible 1
 editable 1
-color_fg purple
+color_fg black
 end
 More
 Object purple_worm_2
@@ -56,7 +56,7 @@ purple_worm.x71
 mina
 x 1
 alive 1
-color_fg purple
+color_fg black
 end
 More
 Object purple_worm_3
@@ -69,7 +69,7 @@ purple_worm.x71
 mina
 y 1
 alive 1
-color_fg purple
+color_fg black
 end
 More
 Object purple_worm_4
@@ -83,6 +83,6 @@ mina
 x 1
 y 1
 alive 1
-color_fg purple
+color_fg black
 end