diff --git a/ChangeLog b/ChangeLog
index 59e657962..2d9ee2a3e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Decrease probability of blue dragon scale for electric dragons.
+monster/dragon/Electric/elec_dr.trs
+Nicolas Weeger 2021-03-03
+
 Fix some incorrect arches in the formula list
 formulae
 Daniel Hawkins 2021-03-01
diff --git a/monster/dragon/Electric/elec_dr.trs b/monster/dragon/Electric/elec_dr.trs
index 69a9708ca..53c14ab62 100644
--- a/monster/dragon/Electric/elec_dr.trs
+++ b/monster/dragon/Electric/elec_dr.trs
@@ -12,6 +12,7 @@ treasure big_elec
   chance 90
   more
   arch blue_dragon_scale
+  chance 75
   more
   arch wand
   more