diff --git a/scripts/fixup_blocks.php b/scripts/fixup_blocks.php
new file mode 100755
index 0000000000..6b0255e720
--- /dev/null
+++ b/scripts/fixup_blocks.php
@@ -0,0 +1,76 @@
+#!/usr/bin/env php
+<?php
+/*
+ * StatusNet - a distributed open-source microblogging tool
+ * Copyright (C) 2010 StatusNet, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
+
+$longoptions = array('dry-run', 'start=', 'end=');
+
+$helptext = <<<END_OF_HELP
+fixup_blocks.php [options]
+Finds profile blocks where the unsubscription didn't complete,
+and removes the offending subscriptions.
+
+     --dry-run  look but don't touch
+
+END_OF_HELP;
+
+require_once INSTALLDIR.'/scripts/commandline.inc';
+
+/**
+ * Fetch subscriptions that should be disallowed by a block
+ */
+function get_blocked_subs()
+{
+    $query =     "SELECT subscription.* " .
+                   "FROM subscription " .
+             "INNER JOIN profile_block " .
+                     "ON blocker=subscribed " .
+                    "AND blocked=subscriber";
+    $subscription = new Subscription();
+    $subscription->query($query);
+    return $subscription;
+}
+
+
+$dry = have_option('dry-run');
+$sub = get_blocked_subs();
+$count = $sub->N;
+while ($sub->fetch()) {
+    $subber = Profile::staticGet('id', $sub->subscriber);
+    $subbed = Profile::staticGet('id', $sub->subscribed);
+    if (!$subber || !$subbed) {
+        print "Bogus entry! $sub->subscriber subbed to $sub->subscribed\n";
+        continue;
+    }
+    print "$subber->nickname ($subber->id) blocked but subbed to $subbed->nickname ($subbed->id)";
+    if ($dry) {
+        print ": skipping; dry run\n";
+    } else {
+        Subscription::cancel($subber, $subbed);
+        print ": removed\n";
+    }
+}
+print "\n";
+
+if ($dry && $count > 0) {
+    print "Be sure to run without --dry-run to remove the bad entries!\n";
+} else {
+    print "done.\n";
+}