diff --git a/pslogin/src/main/scala/WorldSessionActor.scala b/pslogin/src/main/scala/WorldSessionActor.scala
index 4033f1dc..564ecaca 100644
--- a/pslogin/src/main/scala/WorldSessionActor.scala
+++ b/pslogin/src/main/scala/WorldSessionActor.scala
@@ -3896,7 +3896,7 @@ class WorldSessionActor extends Actor with MDCContextAware {
         if(implantsAreActive && hadStaminaBefore) {
           val time = System.currentTimeMillis()
           if(timeDL != 0) {
-            val duration = time - timeSurge
+            val duration = time - timeDL
             if(duration > 500) {
               val units = (duration / 500).toInt
               player.Stamina = player.Stamina - units