Added empty string check.

1 files changed, 3 insertions, 0 deletions

diff --git a/nomsu.lua b/nomsu.lua
index f7182ba..fa77c1c 100644
--- a/nomsu.lua
+++ b/nomsu.lua
@@ -424,6 +424,9 @@ do
       if max_operations == nil then
         max_operations = nil
       end
+      if src == "" then
+        return nil, "", vars
+      end
       if max_operations then
         local timeout
         timeout = function()