diff --git a/app/jobs/iiif_ingest_job.rb b/app/jobs/iiif_ingest_job.rb
index 693280db..682e80ba 100644
--- a/app/jobs/iiif_ingest_job.rb
+++ b/app/jobs/iiif_ingest_job.rb
@@ -1,10 +1,18 @@
 class IIIFIngestJob < ActiveJob::Base
   # Ingest one or more IIIF manfiest URLs.  Each manifest is ingested as its
   # own resource.
-  def perform(urls, exhibit)
+  def perform(urls, exhibit, log_entry)
     Array.wrap(urls).each do |url|
       ingest url, exhibit
     end
+
+    # Lock the row to prevent multiple workers from overwriting each other's increments.
+    # This worked, but it's reporting complete before the objects are reindexed.
+    # app/models/spotlight/resource.rb:55 has a null reindexing_log_entry.
+    log_entry.with_lock do
+      previous = log_entry.items_reindexed_count || 0
+      log_entry.update(items_reindexed_count: previous + Array.wrap(urls).size)
+    end
   end
 
   # Ingest a single IIIF manifest URL as a resource.
diff --git a/app/models/exhibit_proxy.rb b/app/models/exhibit_proxy.rb
index 1c6b95ed..6efc3419 100644
--- a/app/models/exhibit_proxy.rb
+++ b/app/models/exhibit_proxy.rb
@@ -4,9 +4,9 @@ def initialize(exhibit)
     @exhibit = exhibit
   end
 
-  def reindex(*_args)
+  def reindex(log_entry)
     members.each_slice(50) do |slice|
-      IIIFIngestJob.perform_later slice, exhibit
+      IIIFIngestJob.perform_later slice, exhibit, log_entry
     end
   end
 
diff --git a/spec/jobs/iiif_ingest_job_spec.rb b/spec/jobs/iiif_ingest_job_spec.rb
index d48fbd1e..64e5f8b0 100644
--- a/spec/jobs/iiif_ingest_job_spec.rb
+++ b/spec/jobs/iiif_ingest_job_spec.rb
@@ -3,6 +3,7 @@
 describe IIIFIngestJob do
   let(:url1) { 'http://example.com/1/manifest' }
   let(:url2) { 'http://example.com/2/manifest' }
+  let(:log_entry) { Spotlight::ReindexingLogEntry.new }
   let(:exhibit) { Spotlight::Exhibit.new }
   let(:resource) { IIIFResource.new url: nil, exhibit: exhibit }
 
@@ -14,13 +15,20 @@
   it 'ingests a single url' do
     expect(IIIFResource).to receive(:new).with(url: url1, exhibit_id: exhibit.id).and_return(resource)
 
-    described_class.new.perform(url1, exhibit)
+    described_class.new.perform(url1, exhibit, log_entry)
   end
 
   it 'ingests each of an array of urls' do
     expect(IIIFResource).to receive(:new).with(url: url1, exhibit_id: exhibit.id).and_return(resource)
     expect(IIIFResource).to receive(:new).with(url: url2, exhibit_id: exhibit.id).and_return(resource)
 
-    described_class.new.perform([url1, url2], exhibit)
+    described_class.new.perform([url1, url2], exhibit, log_entry)
+  end
+
+  describe 'incrementing the log entry' do
+    it 'increments the exhibit log entry' do
+      described_class.new.perform([url1, url2], exhibit, log_entry)
+      expect(log_entry.items_reindexed_count).to eq 2
+    end
   end
 end