diff --git a/src/main/java/it/unibz/inf/isochrone/network/MemoryOutput.java b/src/main/java/it/unibz/inf/isochrone/network/MemoryOutput.java
index 2836d2bdf18f4cc1ed73d62dda424d65ce1ae5bc..0dc0100eeb9de4dd3a97a0e1b463019ce2dba803 100644
--- a/src/main/java/it/unibz/inf/isochrone/network/MemoryOutput.java
+++ b/src/main/java/it/unibz/inf/isochrone/network/MemoryOutput.java
@@ -35,7 +35,7 @@ public class MemoryOutput extends AbstractOutput {
 
 	@Override
 	public void addLink(final Link link) {
-		links.put(link.getID(), link);
+		links.put(link.getId(), link);
 	}
 
 	@Override