diff --git a/text/mimetypes.py b/text/mimetypes.py
index 0066cb4..f689a51 100644
--- a/text/mimetypes.py
+++ b/text/mimetypes.py
@@ -26,11 +26,11 @@ extensions = {
     'application/msword': 'doc',
     'application/pdf': 'pdf',
     'application/vnd.ms-excel': 'xls',
-    'application/vnd.ms-excel.sheet.macroEnabled.12': 'xlsm',
-    'application/vnd.ms-excel.template.macroEnabled.12': 'xltm',
+    'application/vnd.ms-excel.sheet.macroenabled.12': 'xlsm',
+    'application/vnd.ms-excel.template.macroenabled.12': 'xltm',
     'application/vnd.ms-powerpoint': 'ppt',
-    'application/vnd.ms-word.document.macroEnabled.12': 'docm',
-    'application/vnd.ms-word.template.macroEnabled.12': 'dotm',
+    'application/vnd.ms-word.document.macroenabled.12': 'docm',
+    'application/vnd.ms-word.template.macroenabled.12': 'dotm',
     'application/vnd.oasis.opendocument.graphics': 'odg',
     'application/vnd.oasis.opendocument.presentation': 'odp',
     'application/vnd.oasis.opendocument.spreadsheet': 'ods',