diff --git a/Changelog-Trunk.txt b/Changelog-Trunk.txt
index 936694f604..470b1ff122 100644
--- a/Changelog-Trunk.txt
+++ b/Changelog-Trunk.txt
@@ -3,6 +3,9 @@ Date	Added
 AS OF SVN REV. 5091, WE ARE NOW USING TRUNK.  ALL UNTESTED BUGFIXES/FEATURES GO INTO TRUNK.
 IF YOU HAVE A WORKING AND TESTED BUGFIX PUT IT INTO STABLE AS WELL AS TRUNK.
 
+2006/09/16
+	* Fixed the status change duration reduction equation was was totally
+	  wrong, thanks to k3dt [Skotlex]
 2006/09/15
 	* Now mobs won't do a distance check to lose their target on every ai
 	  iteration, but only when they finish walking (unless you set monster_ai&1)
diff --git a/src/map/status.c b/src/map/status.c
index c314c824bc..7045e1f8ba 100644
--- a/src/map/status.c
+++ b/src/map/status.c
@@ -4467,7 +4467,7 @@ int status_change_start(struct block_list *bl,int type,int rate,int val1,int val
 
 		if (def && tick && !(flag&2))
 		{
-			tick -= rate*def/10000;
+			tick -= tick*def/10000;
 			if (tick <= 0)
 				return 0;
 		}