diff --git a/pandas/io/excel/_base.py b/pandas/io/excel/_base.py
index b99908fd902c8..301647bf29e35 100644
--- a/pandas/io/excel/_base.py
+++ b/pandas/io/excel/_base.py
@@ -600,14 +600,16 @@ def __new__(cls, path, engine=None, **kwargs):
     curr_sheet = None
     path = None
 
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def supported_extensions(self):
-        "extensions that writer engine supports"
+        """Extensions that writer engine supports."""
         pass
 
-    @abc.abstractproperty
+    @property
+    @abc.abstractmethod
     def engine(self):
-        "name of engine"
+        """Name of engine."""
         pass
 
     @abc.abstractmethod