diff --git a/workflows/linc_target/prep.cwl b/workflows/linc_target/prep.cwl
index 40cb54667decf55a5346acad6cc82c42a5e0b354..b5f11754281fe00b036e4123b5d9ec4fd2dd36c1 100644
--- a/workflows/linc_target/prep.cwl
+++ b/workflows/linc_target/prep.cwl
@@ -407,6 +407,8 @@ steps:
     label: losoto_plot_RM
   - id: dp3_prep_target
     in:
+      - id: max_dp3_threads
+        source: max_dp3_threads
       - id: baselines_to_flag
         source:
           - flag_baselines