diff --git a/dnet-ariadneplus/src/main/java/eu/dnetlib/data/collector/plugins/ariadneplus/thanados/ThanadosIterator.java b/dnet-ariadneplus/src/main/java/eu/dnetlib/data/collector/plugins/ariadneplus/thanados/ThanadosIterator.java
index 75783d6..05f1a81 100644
--- a/dnet-ariadneplus/src/main/java/eu/dnetlib/data/collector/plugins/ariadneplus/thanados/ThanadosIterator.java
+++ b/dnet-ariadneplus/src/main/java/eu/dnetlib/data/collector/plugins/ariadneplus/thanados/ThanadosIterator.java
@@ -40,13 +40,13 @@ public class ThanadosIterator extends ThreadSafeIterator {
 
 	@Override
 	public boolean doHasNext() {
-		return counter <= this.identifiers.size();
+		return counter < this.identifiers.size();
 	}
 
 	@Override
 	public String doNext() {
 		try {
-			if (counter <= this.identifiers.size()) {
+			if (counter < this.identifiers.size()) {
 				String toDownload = String.format(urlFormat, baseUrl, identifiers.get(counter));
 				log.debug("Downloading "+toDownload);
 				System.out.println("Downloading "+toDownload);