diff --git a/configure.in b/configure.in
index c1a96f8c695..a22c290946f 100644
--- a/configure.in
+++ b/configure.in
@@ -389,6 +389,7 @@ putenv \
 random \
 rand_r \
 regcomp \
+res_search \
 setitimer \
 setlocale \
 localeconv \
diff --git a/ext/standard/dns.c b/ext/standard/dns.c
index fc530e1fcfd..d9878eaa53e 100644
--- a/ext/standard/dns.c
+++ b/ext/standard/dns.c
@@ -167,7 +167,7 @@ char *php_gethostbyname(char *name)
 	return estrdup(inet_ntoa(in));
 }
 
-#if HAVE_LIBBIND && !(defined(__BEOS__)||defined(PHP_WIN32))
+#if HAVE_RES_SEARCH && !(defined(__BEOS__)||defined(PHP_WIN32))
 
 /* {{{ proto int checkdnsrr(string host [, string type])
    Check DNS records corresponding to a given Internet host name or IP address */