diff --git a/kittens/hints/marks.go b/kittens/hints/marks.go
index b24da2f9d..4821b4406 100644
--- a/kittens/hints/marks.go
+++ b/kittens/hints/marks.go
@@ -375,7 +375,7 @@ func functions_for(opts *Options) (pattern string, post_processors []PostProcess
 		// IPv4 with no validation
 		`((?:\d{1,3}\.){3}\d{1,3}` + "|" +
 			// IPv6 with no validation
-			`(?:[a-fA-F0-9]{0,4}:){2,7}[a-fA-F0-9]{1,4})`)
+			`(?:[a-fA-F0-9]{0,4}:){2,7}[a-fA-F0-9]{0,4})`)
 		post_processors = append(post_processors, PostProcessorMap()["ip"])
 	default:
 		pattern = opts.Regex
diff --git a/kittens/hints/marks_test.go b/kittens/hints/marks_test.go
index 01ebdd112..379f386ec 100644
--- a/kittens/hints/marks_test.go
+++ b/kittens/hints/marks_test.go
@@ -104,6 +104,7 @@ func TestHintMarking(t *testing.T) {
 	r(`2001:db8::ff00:42:8329`, `2001:db8::ff00:42:8329`)
 	r(`2001:DB8::FF00:42:8329`, `2001:DB8::FF00:42:8329`)
 	r(`0000:0000:0000:0000:0000:0000:0000:0001`, `0000:0000:0000:0000:0000:0000:0000:0001`)
+	r(`2600:1901:0:b2bd::`, `2600:1901:0:b2bd::`) // ifconfig.me
 	r(`::1`, `::1`)
 	r(`255.255.255.256`)
 	r(`:1`)