diff --git a/devops-service/commands/knife_commands.rb b/devops-service/commands/knife_commands.rb
index 9f072b3..ffd03e7 100644
--- a/devops-service/commands/knife_commands.rb
+++ b/devops-service/commands/knife_commands.rb
@@ -79,8 +79,8 @@ EOH
     out << "\nExecuting '#{knife_cmd}' \n\n"
     out.flush if out.respond_to?(:flush)
     status = 2
+    lline = nil
     IO.popen(knife_cmd + " 2>&1") do |o|
-      lline = nil
       while line = o.gets do
         out << line
         lline = line