diff --git a/r2/r2/lib/migrate/campaigns_to_things.py b/r2/r2/lib/migrate/campaigns_to_things.py
new file mode 100644
index 000000000..a6b602429
--- /dev/null
+++ b/r2/r2/lib/migrate/campaigns_to_things.py
@@ -0,0 +1,67 @@
+import sys
+from collections import defaultdict
+from r2.models import *
+
+def fix_trans_id():
+    bad_campaigns = list(PromoCampaign._query(PromoCampaign.c.trans_id == 1, data=True))
+    num_bad_campaigns = len(bad_campaigns)
+
+    if not num_bad_campaigns:
+        print "No campaigns with trans_id == 1"
+        return
+
+    # print some info and prompt user to continue
+    print ("Found %d campaigns with trans_id == 1. \n"
+           "Campaigns ids: %s \n" 
+           "Press 'c' to fix them or any other key to abort." %
+           (num_bad_campaigns, [pc._id for pc in bad_campaigns]))
+    input_char = sys.stdin.read(1)
+    if input_char != 'c' and input_char != 'C':
+        print "aborting..."
+        return
+
+    # log the ids for reference
+    print ("Fixing %d campaigns with bad freebie trans_id: %s" % 
+           (num_bad_campaigns, [pc._id for pc in bad_campaigns]))
+
+    # get corresponding links and copy trans_id from link data to campaign thing
+    link_ids = set([campaign.link_id for campaign in bad_campaigns])
+    print "Fetching associated links: %s" % link_ids
+    try:
+        links = Link._byID(link_ids, data=True, return_dict=False)
+    except NotFound, e:
+        print("Invalid data: Some promocampaigns have invalid link_ids. "
+              "Please delete these campaigns or fix the data before "
+              "continuing. Exception: %s" % e)
+
+    # organize bad campaigns by link_id
+    bad_campaigns_by_link = defaultdict(list)
+    for c in bad_campaigns:
+        bad_campaigns_by_link[c.link_id].append(c)
+
+    # iterate through links and copy trans_id from pickled list on the link to 
+    # the campaign thing
+    failed = []
+    for link in links:
+        link_campaigns = getattr(link, "campaigns")
+        thing_campaigns = bad_campaigns_by_link[link._id]
+        for campaign in thing_campaigns:
+            try:
+                sd, ed, bid, sr_name, trans_id = link_campaigns[campaign._id]
+                if trans_id != campaign.trans_id:
+                    campaign.trans_id = trans_id
+                    campaign._commit()
+            except:
+                failed.append({
+                    'link_id': link._id,
+                    'campaign_id': campaign._id,
+                    'exc type': sys.exc_info()[0],
+                    'exc msg': sys.exc_info()[1]
+                })
+
+    # log the actions for future reference
+    msg = ("%d of %d campaigns updated successfully. %d updates failed: %s" %
+           (num_bad_campaigns, num_bad_campaigns - len(failed), len(failed), failed))
+    print msg
+
+        
diff --git a/r2/r2/lib/promote.py b/r2/r2/lib/promote.py
index 4e2a352bb..170dca158 100644
--- a/r2/r2/lib/promote.py
+++ b/r2/r2/lib/promote.py
@@ -501,7 +501,7 @@ def auth_campaign(link, index, user, pay_id):
                 if trans_id > 0:
                     campaign.mark_paid(trans_id)
                 elif trans_id < 0:
-                    campaign.mark_freebie()
+                    campaign.mark_freebie(trans_id)
                 else:
                     campaign.mark_payment_error(reason)
                 campaign._commit()
diff --git a/r2/r2/models/promo.py b/r2/r2/models/promo.py
index 40b36839a..aecee894f 100644
--- a/r2/r2/models/promo.py
+++ b/r2/r2/models/promo.py
@@ -59,8 +59,8 @@ class PromoCampaign(Thing):
         self.trans_id = trans_id
         self.payment_state = PaymentState.PAID
 
-    def mark_freebie(self):
-        self.trans_id = TransactionCode.FREEBIE
+    def mark_freebie(self, trans_id):
+        self.trans_id = trans_id
         self.payment_state = PaymentState.FREEBIE
 
     def mark_payment_error(self, error_msg):