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-rw-r--r--ravanan/workflow.scm8
1 files changed, 4 insertions, 4 deletions
diff --git a/ravanan/workflow.scm b/ravanan/workflow.scm
index 015f8d5..938ddf0 100644
--- a/ravanan/workflow.scm
+++ b/ravanan/workflow.scm
@@ -127,14 +127,14 @@ requirements and hints of the step."
           (just (fold inherit-requirements
                       (or (assoc-ref workflow "requirements")
                           #())
-                      (subset-requirements parent-requirements)
-                      (subset-requirements step-requirements))))
+                      (list (subset-requirements parent-requirements)
+                            (subset-requirements step-requirements)))))
     (cons "hints"
           (just (fold inherit-requirements
                       (or (assoc-ref workflow "hints")
                           #())
-                      (subset-requirements parent-hints)
-                      (subset-requirements step-hints))))))
+                      (list (subset-requirements parent-hints)
+                            (subset-requirements step-hints)))))))
 
 (define (coerce-type val type)
   "Coerce @var{val} to @var{type}."