diff --git a/tycho-core/src/main/java/org/eclipse/tycho/p2tools/TychoMirrorApplication.java b/tycho-core/src/main/java/org/eclipse/tycho/p2tools/TychoMirrorApplication.java
index 8cf7662604..5000525d73 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/p2tools/TychoMirrorApplication.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/p2tools/TychoMirrorApplication.java
@@ -63,9 +63,12 @@
 import org.eclipse.tycho.TargetPlatform;
 import org.eclipse.tycho.p2.tools.DestinationRepositoryDescriptor;
 import org.eclipse.tycho.p2.tools.RepositoryReference;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class TychoMirrorApplication extends org.eclipse.tycho.p2tools.copiedfromp2.MirrorApplication {
 
+    private static final Logger LOGGER = LoggerFactory.getLogger(TychoMirrorApplication.class);
     private static final String SOURCE_SUFFIX = ".source";
     private static final String FEATURE_GROUP = ".feature.group";
     private final Map<String, String> extraArtifactRepositoryProperties;
@@ -275,6 +278,16 @@ private <T> List<Entry<URI, IRepository<T>>> removeProvidedItems(Collection<T> a
         return referencedRepositories;
     }
 
+    @Override
+    protected void finalizeRepositories() {
+        Collection<IRepositoryReference> references = getDestinationMetadataRepository().getReferences();
+        if (!references.isEmpty()) {
+            LOGGER.info("Adding references to the following repositories:");
+            references.stream().map(r -> r.getLocation()).distinct().forEach(loc -> LOGGER.info("  {}", loc));
+        }
+        super.finalizeRepositories();
+    }
+
     //TODO: just call IRepositoryManager.loadRepository() once available: https://github.com/eclipse-equinox/p2/pull/311
     @SuppressWarnings("unchecked")
     private static <T> IRepository<T> loadRepository(IRepositoryManager<T> mgr, URI location, IProgressMonitor monitor)