diff --git a/pyexcel_xls/__init__.py b/pyexcel_xls/__init__.py
index 96e6259..3fe12d6 100644
--- a/pyexcel_xls/__init__.py
+++ b/pyexcel_xls/__init__.py
@@ -7,12 +7,14 @@
     :copyright: (c) 2015-2016 by Onni Software Ltd
     :license: New BSD License
 """
-from pyexcel_io.io import get_data as read_data, isstream, store_data as write_data
-
-
+# this line has to be place above all else
+# because of dynamic import
 __pyexcel_io_plugins__ = ['xls']
 
 
+from pyexcel_io.io import get_data as read_data, isstream, store_data as write_data
+
+
 def get_data(afile, file_type=None, **keywords):
     if isstream(afile) and file_type is None:
         file_type = 'xls'
diff --git a/pyexcel_xls/xls.py b/pyexcel_xls/xls.py
index 964cd10..21c9fd2 100644
--- a/pyexcel_xls/xls.py
+++ b/pyexcel_xls/xls.py
@@ -249,19 +249,22 @@ _xls_registry = {
     "file_type": "xls",
     "reader": XLSBook,
     "writer": XLSWriter,
-    "stream_type": "binary"
+    "stream_type": "binary",
+    "mime_type": "application/vnd.ms-excel"
 }
 
 _xlsm_registry = {
     "file_type": "xlsm",
     "reader": XLSBook,
-    "stream_type": "binary"
+    "stream_type": "binary",
+    "mime_type": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
 }
 
 _xlsx_registry = {
-    "file_type": "xlsm",
+    "file_type": "xlsx",
     "reader": XLSBook,
-    "stream_type": "binary"
+    "stream_type": "binary",
+    "mime_type": "application/vnd.ms-excel.sheet.macroenabled.12"
 }
 
 exports = (_xls_registry, _xlsm_registry, _xlsx_registry)