diff --git a/docs/changes.xml b/docs/changes.xml
index 27fffc4c..85749bff 100644
--- a/docs/changes.xml
+++ b/docs/changes.xml
@@ -37,6 +37,12 @@ increased the applications' startup timeout.
 </para>
 </change>
 
+<change type="change">
+<para>
+disallowed abstract Unix domain socket syntax in non-Linux systems.
+</para>
+</change>
+
 <change type="feature">
 <para>
 supporting abstract UNIX sockets.
diff --git a/src/nxt_sockaddr.c b/src/nxt_sockaddr.c
index 8220590e..86c3335e 100644
--- a/src/nxt_sockaddr.c
+++ b/src/nxt_sockaddr.c
@@ -601,8 +601,6 @@ nxt_sockaddr_unix_parse(nxt_mp_t *mp, nxt_str_t *addr)
 
     socklen = offsetof(struct sockaddr_un, sun_path) + length + 1;
 
-#if (NXT_LINUX)
-
     /*
      * Linux unix(7):
      *
@@ -615,9 +613,12 @@ nxt_sockaddr_unix_parse(nxt_mp_t *mp, nxt_str_t *addr)
     if (path[0] == '@') {
         path[0] = '\0';
         socklen--;
-    }
-
+#if !(NXT_LINUX)
+        nxt_thread_log_error(NXT_LOG_ERR,
+                             "abstract unix domain sockets are not supported");
+        return NULL;
 #endif
+    }
 
     sa = nxt_sockaddr_alloc(mp, socklen, addr->length);