diff --git a/usr/lib/linuxmint/mintlocale/mintlocale.py b/usr/lib/linuxmint/mintlocale/mintlocale.py
index 4d3be42..933fcf1 100755
--- a/usr/lib/linuxmint/mintlocale/mintlocale.py
+++ b/usr/lib/linuxmint/mintlocale/mintlocale.py
@@ -802,7 +802,7 @@ class MintLocale:
 
         cur_index = -1  # find the locale :P
         locales = subprocess.check_output("localedef --list-archive", shell=True)
-        locales = locales.decode('utf-8')
+        locales = locales.decode('utf-8', errors='replace')
 
         all_locales_are_utf8 = True
         for line in locales.split("\n"):