fix missing header hash in RestClientWrapper call

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/validation.rb b/lib/validation.rb
index 18af2c2..deba1e3 100644
--- a/lib/validation.rb
+++ b/lib/validation.rb
@@ -338,7 +338,7 @@ module OpenTox
       raise OpenTox::BadRequestError.new "params is no hash" unless params.is_a?(Hash)
       params[:validation_uris] = validation_uris.join(",")
       params[:identifier] = identifier.join(",")
-      uri = RestClientWrapper.post(File.join($validation[:uri],"/report/algorithm_comparison"), params, waiting_task )
+      uri = RestClientWrapper.post(File.join($validation[:uri],"/report/algorithm_comparison"), params, {}, waiting_task )
       uri = wait_for_task(uri)
       AlgorithmComparisonReport.new(uri)
     end