diff --git a/models/workflow/workflow.go b/models/workflow/workflow.go
index 880d720..5f23b21 100644
--- a/models/workflow/workflow.go
+++ b/models/workflow/workflow.go
@@ -110,13 +110,13 @@ func (w *Workflow) GetByRelatedProcessing(processingID string, g func(item graph
 			_, node = item.GetResource()               // we are looking for the storage as destination
 		}
 		if processingID == nodeID && node != nil { // if the storage is linked to the processing
-			if _, ok := related[processingID]; !ok {
+			if _, ok := related[node.GetID()]; !ok {
 				related[processingID] = Related{}
 			}
 			rel := related[node.GetID()]
 			rel.Node = node
 			rel.Links = append(rel.Links, link)
-			related[processingID] = rel
+			related[node.GetID()] = rel
 		}
 	}
 	return related