diff --git a/matlab/utilities/dataset/makedataset.m b/matlab/utilities/dataset/makedataset.m
index 4c679f503..d619d46e5 100644
--- a/matlab/utilities/dataset/makedataset.m
+++ b/matlab/utilities/dataset/makedataset.m
@@ -37,6 +37,7 @@ if isempty(DynareOptions.datafile) && isempty(DynareOptions.dataset.file) && ise
     if gsa_flag
         DynareDataset = dseries();
         DatasetInfo = [];
+        newdatainterface=0;
         return
     else
         error('makedataset: datafile option is missing!')