diff --git a/conf/GNSS_products/doi_url_data_access.csv b/conf/GNSS_products/doi_url_data_access.csv
index 4891d17b1912489b8d864c2687ae296a79c2f8da..50e7b5cbf65ad92cfb72edc5be4b79f1a7309a7d 100644
--- a/conf/GNSS_products/doi_url_data_access.csv
+++ b/conf/GNSS_products/doi_url_data_access.csv
@@ -1,2 +1,2 @@
 # DOI_suffix;data_access_url
-GNSS.products.Europe;http://isterre.fr/article4254
+GNSS.products.Europe;http://www.isterre.fr/article4254
diff --git a/conf/GNSS_products/project.properties b/conf/GNSS_products/project.properties
index c3b7659fc7fe99808026bac3ce4db254c533b2fd..61f954256a571f063a9a454c61a5d2424f532068 100644
--- a/conf/GNSS_products/project.properties
+++ b/conf/GNSS_products/project.properties
@@ -7,7 +7,7 @@ use_template_country=false
 use_template_doi=false
 
 # general data access URL:
-dataAccessUrl=http://isterre.fr/article4271
+dataAccessUrl=http://www.isterre.fr/article4271
 
 # enable / disable the generation of embeddedable fragments for landing pages:
 generate_embedded=false