diff --git a/readux_ingest_ecds/management/commands/add_ocr.py b/readux_ingest_ecds/management/commands/add_ocr.py
new file mode 100644
index 0000000..452903a
--- /dev/null
+++ b/readux_ingest_ecds/management/commands/add_ocr.py
@@ -0,0 +1,26 @@
+from django.core.management.base import BaseCommand, CommandError
+from readux_ingest_ecds.helpers import get_iiif_models
+from readux_ingest_ecds.services.ocr_services import add_ocr_to_canvases
+
+Manifest = get_iiif_models()["Manifest"]
+
+
+class Command(BaseCommand):
+    help = "(Re)Build OCR for a volume"
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "volume", type=str, help="PID for volume/manifest to be generated."
+        )
+
+    def handle(self, *args, **options):
+        try:
+            manifest = Manifest.objects.get(pid=options["volume"])
+        except Manifest.DoesNotExist:
+            raise CommandError('Manifest "%s" does not exist' % options["volume"])
+
+        add_ocr_to_canvases(manifest)
+
+        self.stdout.write(
+            self.style.SUCCESS('Successfully closed poll "%s"' % manifest.pid)
+        )
diff --git a/readux_ingest_ecds/models.py b/readux_ingest_ecds/models.py
index 6cad399..bdacf06 100644
--- a/readux_ingest_ecds/models.py
+++ b/readux_ingest_ecds/models.py
@@ -225,20 +225,23 @@ def create_canvases(self):
             except IndexError:
                 ocr_file_path = None
 
-            new_canvas = Canvas(
-                manifest=self.manifest,
-                image_server=self.image_server,
-                pid=canvas_pid,
-                ocr_file_path=ocr_file_path,
-                position=position,
-                width=width,
-                height=height,
-                resource=canvas_pid,
-            )
+            try:
+                Canvas.objects.get(pid=canvas_pid)
+            except Canvas.DoesNotExist:
+                new_canvas = Canvas(
+                    manifest=self.manifest,
+                    image_server=self.image_server,
+                    pid=canvas_pid,
+                    ocr_file_path=ocr_file_path,
+                    position=position,
+                    width=width,
+                    height=height,
+                    resource=canvas_pid,
+                )
 
-            new_canvas.before_save()
+                new_canvas.before_save()
 
-            new_canvases.append(new_canvas)
+                new_canvases.append(new_canvas)
 
         Canvas.objects.bulk_create(new_canvases)
 
diff --git a/readux_ingest_ecds/services/ocr_services.py b/readux_ingest_ecds/services/ocr_services.py
index 93ffb23..7f49760 100644
--- a/readux_ingest_ecds/services/ocr_services.py
+++ b/readux_ingest_ecds/services/ocr_services.py
@@ -90,7 +90,7 @@ def fetch_positional_ocr(canvas):
 
         return fetch_url(url)
 
-    if "images.readux.ecds.emory" in canvas.manifest.image_server.server_base:
+    if "iip.readux.io" in canvas.manifest.image_server.server_base:
         # Fake TSV data for testing.
         if environ["DJANGO_ENV"] == "test":
             fake_tsv = open(path.join(settings.FIXTURE_DIR, "sample.tsv"))
@@ -121,7 +121,7 @@ def fetch_positional_ocr(canvas):
 
     if (
         environ["DJANGO_ENV"] == "test"
-        and "images.readux.ecds.emory" not in canvas.manifest.image_server.server_base
+        and "iip.readux.io" not in canvas.manifest.image_server.server_base
         and canvas.ocr_file_path is None
     ):
         fake_json = open(path.join(settings.FIXTURE_DIR, "ocr_words.json"))