diff --git a/pdfminer/pdftypes.py b/pdfminer/pdftypes.py
index ff742f94..ebeaf1a3 100644
--- a/pdfminer/pdftypes.py
+++ b/pdfminer/pdftypes.py
@@ -228,7 +228,7 @@ def get_filters(self):
             params = [params]*len(filters)
         if STRICT and len(params) != len(filters):
             raise PDFException("Parameters len filter mismatch")
-        return zip(filters, params)
+        return list(zip(filters, params))  # https://github.com/pdfminer/pdfminer.six/commit/9b9d69aee96f0e7a35f5b48c6c80f450e629ccd6
 
     def decode(self):
         assert self.data is None and self.rawdata is not None