diff --git a/lib/vmdb/loggers/io_logger.rb b/lib/vmdb/loggers/io_logger.rb
index 321f937bbad..64bc7461723 100644
--- a/lib/vmdb/loggers/io_logger.rb
+++ b/lib/vmdb/loggers/io_logger.rb
@@ -7,10 +7,12 @@ def initialize(logger, level = :info, prefix = nil)
       super()
     end
 
-    def write(string)
-      @buffer ||= ""
-      @buffer << string
-      dump_buffer if string.include?("\n")
+    def write(*args)
+      args.each do |arg|
+        @buffer ||= ""
+        @buffer << arg
+        dump_buffer if arg.include?("\n")
+      end
     end
 
     def <<(string)