diff --git a/src/main/java/org/embl/mobie/DataStore.java b/src/main/java/org/embl/mobie/DataStore.java
index 4caf445ce..a23750671 100644
--- a/src/main/java/org/embl/mobie/DataStore.java
+++ b/src/main/java/org/embl/mobie/DataStore.java
@@ -50,6 +50,7 @@
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutionException;
+import java.util.stream.Collectors;
 
 public abstract class DataStore
 {
@@ -71,6 +72,13 @@ public abstract class DataStore
 		return sourceToImage;
 	}
 
+	public static List< SourceAndConverter< ? > > getSourceAndConverters( Collection< Image< ? > > images )
+	{
+		return Collections.unmodifiableList( images.stream()
+				.map( image -> sourceToImage().inverse().get( image ) )
+				.collect( Collectors.toList() ) );
+	}
+
 	public static ImageData< ? > fetchImageData(
 			String path,
 			ImageDataFormat imageDataFormat,
diff --git a/src/main/java/org/embl/mobie/lib/serialize/display/AbstractDisplay.java b/src/main/java/org/embl/mobie/lib/serialize/display/AbstractDisplay.java
index 8e12062cb..a45f7a390 100644
--- a/src/main/java/org/embl/mobie/lib/serialize/display/AbstractDisplay.java
+++ b/src/main/java/org/embl/mobie/lib/serialize/display/AbstractDisplay.java
@@ -35,6 +35,7 @@
 import org.embl.mobie.lib.image.Image;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -81,9 +82,7 @@ public List< Image< T > > images()
 	@Override
 	public List< SourceAndConverter< T > > sourceAndConverters()
 	{
-		return Collections.unmodifiableList( ( List ) images.stream()
-				.map( image -> DataStore.sourceToImage().inverse().get( image ) )
-				.collect( Collectors.toList() ) );
+		return DataStore.getSourceAndConverters( ( Collection ) images );
 	}
 
 	public void setOpacity( double opacity )