diff --git a/mercurial/shelve.py b/mercurial/shelve.py
--- a/mercurial/shelve.py
+++ b/mercurial/shelve.py
@@ -954,6 +954,8 @@
         state = _loadshelvedstate(ui, repo, opts)
         if abortf:
             return unshelveabort(ui, repo, state)
+        elif continuef and interactive:
+            raise error.Abort(_('cannot use both continue and interactive'))
         elif continuef:
             return unshelvecontinue(ui, repo, state, opts)
     elif len(shelved) > 1:
diff --git a/tests/test-shelve.t b/tests/test-shelve.t
--- a/tests/test-shelve.t
+++ b/tests/test-shelve.t
@@ -1347,6 +1347,12 @@
   $ hg resolve -m bar1 bar2
   (no more unresolved files)
   continue: hg unshelve --continue
+
+-- using --continue with --interactive should throw an error
+  $ hg unshelve --continue -i
+  abort: cannot use both continue and interactive
+  [255]
+
   $ cat bar1
   A
   B