diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/rest/Access.java b/src/main/java/org/gcube/informationsystem/resourceregistry/rest/Access.java
index 60f89b9..639b1a2 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/rest/Access.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/rest/Access.java
@@ -367,7 +367,7 @@ public class Access {
 				}
 			}
 			try {
-				directionEnum = Direction.valueOf(direction);
+				directionEnum = Direction.valueOf(direction.toUpperCase());
 			} catch(Exception e) {
 				String error = String.format("%s is not a valid. Allowed values are %s", direction, Direction.values());
 				throw new InvalidQueryException(error);