diff -uNr systemd-228/src/resolve/resolved-dns-transaction.c systemd-228-dnsfix/src/resolve/resolved-dns-transaction.c
--- systemd-228/src/resolve/resolved-dns-transaction.c	2016-08-17 02:58:53.854296643 +0000
+++ systemd-228-dnsfix/src/resolve/resolved-dns-transaction.c	2016-08-17 03:04:05.393604993 +0000
@@ -342,10 +342,12 @@
 
         assert(t);
         assert(p);
-        assert(t->state == DNS_TRANSACTION_PENDING);
         assert(t->scope);
         assert(t->scope->manager);
 
+        if (t->state != DNS_TRANSACTION_PENDING)
+                return;
+
         /* Note that this call might invalidate the query. Callers
          * should hence not attempt to access the query or transaction
          * after calling this function. */