diff --git a/clitools/filters/redilysis_colors.py b/clitools/filters/redilysis_colors.py
old mode 100644
new mode 100755
index 230fa08..2b4abc1
--- a/clitools/filters/redilysis_colors.py
+++ b/clitools/filters/redilysis_colors.py
@@ -1,4 +1,3 @@
-
 #!/usr/bin/python3
 # -*- coding: utf-8 -*-
 # -*- mode: Python -*-
@@ -145,8 +144,11 @@ def default( pl ):
         colorTuple = int2rgb(ocolor)
         x         = point[0]
         dist      = abs(x - max_width/2)
-        key       = int(2* dist / max_width * 8)
-        power     = spect[key] / spect10Correct[key] * chaos
+        key       = int(2* dist / max_width * 7)
+        try:
+            power     = spect[key] / spect10Correct[key] * chaos
+        except:
+            pass
         color = []
         for i in colorTuple:
           new_color = int(i * power)