diff --git a/roles/osm-vector-maps/templates/iiab-update-map b/roles/osm-vector-maps/templates/iiab-update-map
index 837bc9e85..d38bb0b7d 100755
--- a/roles/osm-vector-maps/templates/iiab-update-map
+++ b/roles/osm-vector-maps/templates/iiab-update-map
@@ -105,7 +105,7 @@ def get_installed_regions():
    os.chdir(map_doc_root)
    for filename in os.listdir('.'):
       if fnmatch.fnmatch(filename, '??-osm-omt*'):
-         region = re.sub(r'^..-osm-omt_(.*)',r'\1',filename)
+         region = re.sub(r'^..-osm-..._(.*)',r'\1',filename)
          installed.append(region)
    # add the splash page if no other maps are present
    if len(installed) == 0: