diff --git a/src/python/location-importer.in b/src/python/location-importer.in
index 118b0de..f39a42b 100644
--- a/src/python/location-importer.in
+++ b/src/python/location-importer.in
@@ -687,7 +687,7 @@ class CLI(object):
 						start_address = ipaddress.ip_network(start_address, strict=False)
 					except ValueError:
 						start_address = start_address.split("/")
-						ldigits = len(start_address[0].split("."))
+						ldigits = start_address[0].count(".")
 
 						# How many octets do we need to add?
 						# (LACNIC does not seem to have a /8 or greater assigned, so the following should suffice.)