diff --git a/src/output/output_http_internal.cpp b/src/output/output_http_internal.cpp
index fce69fa3..e74bfe3a 100644
--- a/src/output/output_http_internal.cpp
+++ b/src/output/output_http_internal.cpp
@@ -509,6 +509,7 @@ namespace Mist {
         }
         if (prots.getIndice(i).hasMember("pubaddr") && prots.getIndice(i).getMember("pubaddr").getType() ==  DTSC_ARR){
           pubAddrs = prots.getIndice(i).getMember("pubaddr").asJSON();
+          if (!pubAddrs.size()){pubAddrs.append("");}
         }
         if (mistPath.size()){
           pubAddrs.null();