diff --git a/imap_filter/imap_filter.py b/imap_filter/imap_filter.py
index 6920d17..16824d0 100644
--- a/imap_filter/imap_filter.py
+++ b/imap_filter/imap_filter.py
@@ -306,13 +306,16 @@ class ImapFilter:
             else:
                 try:
                     field_data = raw_field_data[0].decode()
-                except UnicodeDecodeError as error:
-                    self._log.error(
-                        "Error decoding field data as UTF-8. Data: %s. Error: %s",
-                        raw_field_data[0],
-                        error
-                    )
-                    break
+                except UnicodeDecodeError:
+                    try:
+                        field_data = raw_field_data[0].decode('Windows-1252')
+                    except UnicodeDecodeError as error:
+                        self._log.error(
+                            "Error decoding field data as UTF-8. Data: %s. Error: %s",
+                            raw_field_data[0],
+                            error
+                        )
+                        break
             if 'regexp' in mfilter:
                 if not isinstance(mfilter['regexp'], list):
                     mfilter['regexp'] = [ mfilter['regexp'] ]