diff --git a/lib/ildus/server/handler.rb b/lib/ildus/server/handler.rb
index 089c27f..96427d9 100644
--- a/lib/ildus/server/handler.rb
+++ b/lib/ildus/server/handler.rb
@@ -185,7 +185,7 @@ module Ildus
         else
           addr = IPAddr.new(addr)
         end
-        @commit ||= @domain.update_host(host, addr)
+        @commit = @domain.update_host(host, addr) || @commit
       rescue HostNotFoundError
         prot_msg 425, host
       rescue RecordNotFoundError
@@ -203,7 +203,7 @@ module Ildus
         else
           addr = IPAddr.new(addr)
         end
-        @commit ||= @domain.update_host(host, addr)
+        @commit = @domain.update_host(host, addr) || @commit
       rescue HostNotFoundError
         prot_msg 425, host
       rescue RecordNotFoundError