diff --git a/cps/db.py b/cps/db.py
index 33b195fa..557fdc75 100644
--- a/cps/db.py
+++ b/cps/db.py
@@ -114,7 +114,7 @@ class Identifiers(Base):
         if format_type == 'amazon':
             return "Amazon"
         elif format_type.startswith("amazon_"):
-            return "Amazon.{0}".format(format_type[7:])
+            return "Amazon.{0}".format(format_type[7:].lower().replace("uk","co.uk"))
         elif format_type == "isbn":
             return "ISBN"
         elif format_type == "doi":
@@ -149,7 +149,7 @@ class Identifiers(Base):
         if format_type == "amazon" or format_type == "asin":
             return "https://amazon.com/dp/{0}".format(self.val)
         elif format_type.startswith('amazon_'):
-            return "https://amazon.{0}/dp/{1}".format(format_type[7:], self.val)
+            return "https://amazon.{0}/dp/{1}".format(format_type[7:].lower().replace("uk","co.uk"), self.val)
         elif format_type == "isbn":
             return "https://www.worldcat.org/isbn/{0}".format(self.val)
         elif format_type == "doi":