diff --git a/script/local.py b/script/local.py
index d622819..f1b25f8 100644
--- a/script/local.py
+++ b/script/local.py
@@ -54,7 +54,7 @@ def fit(ydata, xdata = None):
         p.addMarker(mean, None, "Mean="+str(round(norm,2)), Color.MAGENTA.darker())
         return (norm, mean, sigma)
     else:
-        p.addMarker(max_x, None, "Max="+str(round(max_x,2)), Color.Gray)
+        p.addMarker(max_x, None, "Max="+str(round(max_x,2)), Color.GRAY)
         print "Invalid gaussian fit: " +  str(mean)
         return (None, None, None)