diff --git a/dhp-workflows/dhp-bmuse/src/main/resources/eu/dnetlib/dhp/bmuse/bioschema/oozie_app/workflow.xml b/dhp-workflows/dhp-bmuse/src/main/resources/eu/dnetlib/dhp/bmuse/bioschema/oozie_app/workflow.xml
index deb1d3e34..285801ea8 100644
--- a/dhp-workflows/dhp-bmuse/src/main/resources/eu/dnetlib/dhp/bmuse/bioschema/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-bmuse/src/main/resources/eu/dnetlib/dhp/bmuse/bioschema/oozie_app/workflow.xml
@@ -30,7 +30,7 @@
         </property>
         <property>
             <name>scraping_java_opts</name>
-            <value>-Xmx8g -Dwebdriver.chrome.whitelistedIps=</value>
+            <value>-Xmx4g -Dwebdriver.chrome.whitelistedIps=</value>
             <description>Used to configure the heap size for the map JVM process. Should be 80% of mapreduce.map.memory.mb.</description>
         </property>
     </parameters>