diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_collection_data_template.sparql b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_collection_data_template.sparql
index acefa14..09040f9 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_collection_data_template.sparql
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_collection_data_template.sparql
@@ -103,8 +103,8 @@ where {
             ?temporalCoverage aocat:has_native_period ?temporalNative .
             ?temporalNative skos:prefLabel ?temporalNativePeriodName .
             optional {
-            ?temporalNative aocat:from ?temporalFrom .
-            ?temporalNative aocat:until ?temporalUntil .
+            ?temporalCoverage aocat:from ?temporalFrom .
+            ?temporalCoverage aocat:until ?temporalUntil .
             }
         }