diff --git a/lib/refrepo/input_loader.rb b/lib/refrepo/input_loader.rb
index 0bf24da7afc7ef63b7048b89a8dddfb7c86206ff..8b29a8b79fa3b673498bd77b57b48588db0bf18e 100644
--- a/lib/refrepo/input_loader.rb
+++ b/lib/refrepo/input_loader.rb
@@ -256,7 +256,7 @@ def add_default_values_and_mappings(h)
 
         # Ensure that id (diskN) is present
         node["storage_devices"].each do |key, hash|
-          raise "Missing id for disk #{key} from cluster input" if !hash['id']
+          raise "Missing id for disk #{key} from cluster input (node=#{node_uid}, hash=#{hash})" if !hash['id']
         end
 
         # Add vendor info to storage