diff --git a/britney.py b/britney.py
index ebd2c78..5b5007e 100644
--- a/britney.py
+++ b/britney.py
@@ -2233,7 +2233,7 @@ class Britney:
             selected = []
         else:
             upgrade_me = self.upgrade_me[:]
-            selected = self.selected
+            selected = self.selected[:]
         nuninst_start = self.nuninst_orig
 
         # these are special parameters for hints processing