diff --git a/dhp-common/src/main/java/eu/dnetlib/dhp/monitor/model/AggregationMetric.java b/dhp-common/src/main/java/eu/dnetlib/dhp/monitor/model/AggregationMetric.java
index 57b74c257..1fc8e7bf8 100644
--- a/dhp-common/src/main/java/eu/dnetlib/dhp/monitor/model/AggregationMetric.java
+++ b/dhp-common/src/main/java/eu/dnetlib/dhp/monitor/model/AggregationMetric.java
@@ -201,7 +201,7 @@ public class AggregationMetric extends Metric <Long> {
             labels.add(new MetricLabel(MonitorConstant.DATASOURCE_NAME_LABEL_NAME, datasourceName));
 
             if(StringUtils.isBlank(datasourceId))
-                throw new MonitorException("Datasource Identfifier should be not blank please set using 'withDatasourceId' function ");
+                throw new MonitorException("Datasource Identifier should be not blank please set using 'withDatasourceId' function ");
             labels.add(new MetricLabel(MonitorConstant.DATASOURCE_ID_LABEL_NAME, datasourceId));
 
             if(StringUtils.isBlank(api))