diff --git a/src/main/java/org/gcube/datatransfer/resolver/services/GeoportalResolver.java b/src/main/java/org/gcube/datatransfer/resolver/services/GeoportalResolver.java
index fa069d4..4548385 100644
--- a/src/main/java/org/gcube/datatransfer/resolver/services/GeoportalResolver.java
+++ b/src/main/java/org/gcube/datatransfer/resolver/services/GeoportalResolver.java
@@ -233,7 +233,7 @@ public class GeoportalResolver {
 				List<String> targetPaths = Arrays.asList(TargetAppGeoportalCodes.values()).stream()
 						.map(TargetAppGeoportalCodes::getId).collect(Collectors.toList());
 				throw ExceptionManager.badRequestException(req,
-						"Target application is wrong. Add a target path as /"+targetPaths+"+ to resolve towards the applications: " + targetApps, this.getClass(),
+						"Target application is wrong. Add a target path as /"+targetPaths+" to resolve towards the applications: " + targetApps, this.getClass(),
 						helpURI);
 			}
 		}