diff --git a/dhp-workflows/dhp-aggregation/src/test/resources/eu/dnetlib/dhp/transform/input_itgv4.xml b/dhp-workflows/dhp-aggregation/src/test/resources/eu/dnetlib/dhp/transform/input_itgv4.xml
index b421f1342..06325810b 100644
--- a/dhp-workflows/dhp-aggregation/src/test/resources/eu/dnetlib/dhp/transform/input_itgv4.xml
+++ b/dhp-workflows/dhp-aggregation/src/test/resources/eu/dnetlib/dhp/transform/input_itgv4.xml
@@ -31,7 +31,7 @@
https://pub.uni-bielefeld.de/record/1997560.json
- 0016-9056
+ 0016-9056
ger
Friedrich