diff --git a/src/mad/ruby/ssh_stream.rb b/src/mad/ruby/ssh_stream.rb
index 3c5c90819c6..5d72b65eaaa 100644
--- a/src/mad/ruby/ssh_stream.rb
+++ b/src/mad/ruby/ssh_stream.rb
@@ -221,7 +221,11 @@ def run(command, stdin=nil, base_cmd = nil, timeout = nil)
         end
 
         @stream.exec(command)
-        @stream.stdin.write(stdin) if stdin
+
+        if stdin
+            @stream.stdin.write(stdin)
+            @stream.stdin.close
+        end
 
         @code = @stream.wait_for_command(@timeout)