diff --git a/nextflow.config b/nextflow.config
index c147d3d..cca8845 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -303,6 +303,7 @@ manifest {
     nextflowVersion = '!>=25.10.4'
     version         = '0.0.1dev'
     doi             = ''
+    diagram         = 'docs/images/metromap.png'
 }
 
 // Nextflow plugins