diff --git a/contrib/seeds/makeseeds.py b/contrib/seeds/makeseeds.py
--- a/contrib/seeds/makeseeds.py
+++ b/contrib/seeds/makeseeds.py
@@ -37,7 +37,7 @@
 # Used to only select nodes with a user agent string compatible with the
 # BCH/UAHF specification.
 PATTERN_AGENT = re.compile(
-    r"^(/Bitcoin ABC:0.(20).(\d+)\(.+\)/|/bcash:v1.(\d+).(\d+)-(\S+)/)")
+    r"^(/Bitcoin ABC:0.(19|20).(\d+)\(.+\)/|/bcash:v1.(\d+).(\d+)-(\S+)/)")
 
 
 def parseline(line):