diff --git a/coastsnap/tag_registered.py b/coastsnap/tag_registered.py
index 0829363..1d756f4 100644
--- a/coastsnap/tag_registered.py
+++ b/coastsnap/tag_registered.py
@@ -40,6 +40,9 @@ coastsnap_sites_csv = pd.read_csv(sites_csv_path)
 images_parent_dir = coastsnap_sites_csv.parent_directory[0] 
 images_dir = os.path.join(images_parent_dir, "Images")
 
+site_list = coastsnap_sites_csv['site_name']  # Loop through sites in coastsnap_sites.csv
+#site_list = os.listdir(images_dir)  # Loop through all sites in /CoastSnap/Images
+
 #-----------------------------------------------------------------------------#   
 # Tag image function
 
@@ -227,7 +230,7 @@ if args.tag_reregistered:
     if args.site:
         count = loop_reregistered(args.site, tag, reregister_all)
     else:
-        for site in os.listdir(images_dir): 
+        for site in site_list: # Code to loop over entire images directory: for site in os.listdir(images_dir): 
             x = loop_reregistered(site, tag, reregister_all)
             count = count + x
             
@@ -247,7 +250,7 @@ if args.tag_reregistered:
         if args.site:           # Case 1: User specifies a site 
             loop_reregistered(args.site, tag, reregister_all)
         else:                   # Case 2: No site specified. Tag all images
-            for site in os.listdir(images_dir): 
+            for site in site_list: # Code to loop over entire images directory: for site in os.listdir(images_dir):
                 loop_reregistered(site, tag, reregister_all)
 
 #-----------------------------------------------------------------------------#
@@ -258,7 +261,7 @@ else:
     if args.site:           # Case 1: User specifies a site 
         main(args.site)
     else:                   # Case 2: No site specified. Tag all images
-        for site in os.listdir(images_dir): 
+        for site in site_list: # Code to loop over entire images directory: for site in os.listdir(images_dir):
             main(site)