diff --git a/eos/effectHandlerHelpers.py b/eos/effectHandlerHelpers.py
index efb460e2d..57deba646 100644
--- a/eos/effectHandlerHelpers.py
+++ b/eos/effectHandlerHelpers.py
@@ -267,7 +267,7 @@ class HandledImplantList(HandledList):
             HandledList.insert(self, idx, implant)
             self.remove(implant)
             raise HandledListActionError(implant)
-        HandledList.append(self, implant)
+        HandledList.insert(self, idx, implant)
 
     def makeRoom(self, implant):
         # if needed, remove booster that was occupying slot