diff --git a/remotefilelog/__init__.py b/remotefilelog/__init__.py
--- a/remotefilelog/__init__.py
+++ b/remotefilelog/__init__.py
@@ -319,7 +319,12 @@
             s = shallowstore.wrapstore(s)
 
         return s
-    wrapfunction(store, 'store', storewrapper)
+    if util.safehasattr(store, 'store'):
+        # 4.7
+        wrapfunction(store, 'store', storewrapper)
+    else:
+        # 4.8
+        wrapfunction(localrepo, 'makestore', storewrapper)
 
     extensions.wrapfunction(exchange, 'pull', exchangepull)