diff --git a/ArchiveExtractor.py b/ArchiveExtractor.py
index 24f5cc3d03866a633392ef1ca66ae7cffcac3dc5..66d79c0285320e2b99dbdf7616aef447559ac8f0 100755
--- a/ArchiveExtractor.py
+++ b/ArchiveExtractor.py
@@ -252,6 +252,9 @@ def init(
     global _extractors
     global _AttrTables
 
+    _extractors = (None, None)
+    _AttrTables = (None, None)
+
     try:
         logger.setLevel(getattr(logging, loglevel.upper()))
     except AttributeError: