diff --git a/hgext/share.py b/hgext/share.py
--- a/hgext/share.py
+++ b/hgext/share.py
@@ -116,7 +116,7 @@ def unshare(ui, repo):
         sharefile = repo.join('sharedpath')
         util.rename(sharefile, sharefile + '.old')
 
-        repo.requirements.discard('sharedpath')
+        repo.requirements.discard('shared')
         repo._writerequirements()
     finally:
         destlock and destlock.release()
diff --git a/tests/test-share.t b/tests/test-share.t
--- a/tests/test-share.t
+++ b/tests/test-share.t
@@ -114,6 +114,8 @@ test unshare command
   $ test -d .hg/store
   $ test -f .hg/sharedpath
   [1]
+  $ grep shared .hg/requires
+  [1]
   $ hg unshare
   abort: this is not a shared repo
   [255]