diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OafToOafMapper.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OafToOafMapper.java
index 5f9491029..b7afd3595 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OafToOafMapper.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OafToOafMapper.java
@@ -169,7 +169,7 @@ public class OafToOafMapper extends AbstractMdRecordToOafMapper {
 					.map(s -> {
 						try {
 							return URLDecoder.decode(s, "UTF-8");
-						} catch (UnsupportedEncodingException e) {
+						} catch (Throwable t) {
 							return s;
 						}
 					})
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java
index 440dbaf6c..194715295 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java
@@ -168,7 +168,7 @@ public class OdfToOafMapper extends AbstractMdRecordToOafMapper {
 	protected String trimAndDecodeUrl(String url) {
 		try {
 			return URLDecoder.decode(url.trim(), "UTF-8");
-		} catch (UnsupportedEncodingException e) {
+		} catch (Throwable t) {
 			return url;
 		}
 	}