diff --git a/summerize-part-list/main.py b/summerize-part-list/main.py
index 9b3cc41371155bc3027d6556ccd4411fc74bef4a..66aacb9a3fe29044244c3e9d3c1e140767a24906 100755
--- a/summerize-part-list/main.py
+++ b/summerize-part-list/main.py
@@ -100,7 +100,7 @@ def add_product(serial, _id, name, quantity, load_xlsx=False, allow_recursive_pa
 
     for (dirpath, dirnames, filenames) in os.walk(config.library_path):
         for fname in filenames:
-            if fname.startswith(_id):
+            if fname.lower().startswith(_id.lower()):
                 if is_pdf(fname):
                     found_pdf = dirpath + os.path.sep + fname
                 elif is_xlsx(fname):