diff --git a/curation/imports/curation.py b/curation/imports/curation.py
index 10fd3fb6..cccb9f78 100644
--- a/curation/imports/curation.py
+++ b/curation/imports/curation.py
@@ -136,7 +136,7 @@ def run_curation_import(self):
                 curation_pub = None
                 if study_import.study_publication.doi:
                     try:
-                        curation_pub = CurationPublicationAnnotation.objects.using(curation_tracker).get(doi=study_import.study_publication.doi)
+                        curation_pub = CurationPublicationAnnotation.objects.using(curation_tracker).get(doi__iexact=study_import.study_publication.doi)
                         print("  > Study found using the publication DOI")
                     except CurationPublicationAnnotation.DoesNotExist:
                         print("  ! Study NOT found using the publication DOI")