diff --git a/doomsday/plugins/jdoom/defs/doom1/materials.ded b/doomsday/plugins/jdoom/defs/doom1/materials.ded
index 715d32ab75..d11bfe093e 100644
--- a/doomsday/plugins/jdoom/defs/doom1/materials.ded
+++ b/doomsday/plugins/jdoom/defs/doom1/materials.ded
@@ -17,22 +17,22 @@ SkipIf -nodefaultfx;
 
 Material Mods "flats:NUKAGE1" {
   Layer {
-      Stage { Glow = .75; Tics = 24; Rnd = .5; }
-      Stage { Glow = .65; Tics = 24; Rnd = .5; }
+      Stage { Glow = .25; Tics = 24; Rnd = .5; }
+      Stage { Glow = .22; Tics = 24; Rnd = .5; }
   }
 }
 
 Material Mods "flats:NUKAGE2" {
   Layer {
-      Stage { Glow = .75; Tics = 24; Rnd = .5; }
-      Stage { Glow = .65; Tics = 24; Rnd = .5; }
+      Stage { Glow = .25; Tics = 24; Rnd = .5; }
+      Stage { Glow = .22; Tics = 24; Rnd = .5; }
   }
 }
 
 Material Mods "flats:NUKAGE3" {
   Layer {
-      Stage { Glow = .75; Tics = 24; Rnd = .5; }
-      Stage { Glow = .65; Tics = 24; Rnd = .5; }
+      Stage { Glow = .25; Tics = 24; Rnd = .5; }
+      Stage { Glow = .22; Tics = 24; Rnd = .5; }
   }
 }