diff --git a/auto/unix b/auto/unix
index 10835f6cc..77ea02986 100644
--- a/auto/unix
+++ b/auto/unix
@@ -354,19 +354,6 @@ ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_BINDANY, NULL, 0)"
 . auto/feature
 
 
-# Linux IP_BIND_ADDRESS_NO_PORT
-
-ngx_feature="IP_BIND_ADDRESS_NO_PORT"
-ngx_feature_name="NGX_HAVE_IP_BIND_ADDRESS_NO_PORT"
-ngx_feature_run=no
-ngx_feature_incs="#include <sys/socket.h>
-                  #include <netinet/in.h>"
-ngx_feature_path=
-ngx_feature_libs=
-ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_BIND_ADDRESS_NO_PORT, NULL, 0)"
-. auto/feature
-
-
 # Linux transparent proxying
 
 ngx_feature="IP_TRANSPARENT"
@@ -393,6 +380,19 @@ ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_BINDANY, NULL, 0)"
 . auto/feature
 
 
+# Linux IP_BIND_ADDRESS_NO_PORT
+
+ngx_feature="IP_BIND_ADDRESS_NO_PORT"
+ngx_feature_name="NGX_HAVE_IP_BIND_ADDRESS_NO_PORT"
+ngx_feature_run=no
+ngx_feature_incs="#include <sys/socket.h>
+                  #include <netinet/in.h>"
+ngx_feature_path=
+ngx_feature_libs=
+ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_BIND_ADDRESS_NO_PORT, NULL, 0)"
+. auto/feature
+
+
 # BSD way to get IPv4 datagram destination address
 
 ngx_feature="IP_RECVDSTADDR"