diff --git a/doc/Changelog b/doc/Changelog
index 581872f3d..af714a672 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,5 +1,6 @@
 18 April 2017: Ralph
 	- Fix #1252: more indentation inconsistencies.
+	- Fix #1253: unused variable in edns-subnet/addrtree.c:getbit().
 
 13 April 2017: Ralph
 	- Added ECS unit test (from Manu Bretelle).
diff --git a/edns-subnet/addrtree.c b/edns-subnet/addrtree.c
index 69ace6054..050eb31fc 100644
--- a/edns-subnet/addrtree.c
+++ b/edns-subnet/addrtree.c
@@ -302,6 +302,7 @@ static int
 getbit(const addrkey_t *addr, addrlen_t addrlen, addrlen_t n)
 {
 	log_assert(addrlen > n);
+	(void)addrlen;
 	return (int)(addr[n/KEYWIDTH]>>((KEYWIDTH-1)-(n%KEYWIDTH))) & 1;
 }