diff --git a/src/host.c b/src/host.c
index b42cd6e8..2bf848f3 100644
--- a/src/host.c
+++ b/src/host.c
@@ -1033,8 +1033,9 @@ sufmatch (const char **list, const char *what)
       /* Domain or subdomain match
        * k == -1: exact match
        * k >= 0 && what[k] == '.': subdomain match
+       * k >= 0 && list[i][0] == '.': dot-prefixed subdomain match
        */
-      if (j == -1 && (k == -1 || what[k] == '.'))
+      if (j == -1 && (k == -1 || what[k] == '.' || list[i][0] == '.'))
         return true;
     }