diff --git a/scepter/workflow/model_node.py b/scepter/workflow/model_node.py
index 171a9ac..3f4c990 100644
--- a/scepter/workflow/model_node.py
+++ b/scepter/workflow/model_node.py
@@ -166,7 +166,7 @@ class ModelNode:
             input_data.update({'mask': mask})
 
         if parameters:
-            seed = parameters.pop('seed', -1)
+            seed = parameters.get('random_seed', -1)
             input_params.update({'seed': seed})
             input_data.update(parameters)