diff --git a/prefactor_calibrator.cwl b/prefactor_calibrator.cwl
index 6537806ea4d9c420b56f8e66195ea471205d8e46..895265e55b820c0a0737a5bfd91e7d11c4077631 100644
--- a/prefactor_calibrator.cwl
+++ b/prefactor_calibrator.cwl
@@ -32,12 +32,12 @@ outputs:
         items: Directory
     'sbg:x': -67.85011291503906
     'sbg:y': -356.76287841796875
-  - id: h5parm
+  - id: outh5parm
     outputSource:
-      - calib_cal/h5parm
-    type: File[]
-    'sbg:x': 270.10113525390625
-    'sbg:y': -464.5
+      - h5parm_collector/outh5parm
+    type: File
+    'sbg:x': 477
+    'sbg:y': -546.076171875
 steps:
   - id: ndppp_prep_cal
     in:
@@ -93,6 +93,17 @@ steps:
       - msin
     'sbg:x': 47
     'sbg:y': -583
+  - id: h5parm_collector
+    in:
+      - id: h5parmFiles
+        source:
+          - calib_cal/h5parm
+    out:
+      - id: outh5parm
+    run: steps/H5ParmCollector.cwl
+    label: H5parm_collector
+    'sbg:x': 292.1979675292969
+    'sbg:y': -543.7208251953125
 requirements:
   - class: SubworkflowFeatureRequirement
   - class: ScatterFeatureRequirement
diff --git a/steps/H5ParmCollector.cwl b/steps/H5ParmCollector.cwl
index 46442b33e0c212f67179fa7371fa684d733e94c8..2ab2ad1c488cc708f093cc77d60bfc4a620ecc12 100755
--- a/steps/H5ParmCollector.cwl
+++ b/steps/H5ParmCollector.cwl
@@ -6,7 +6,7 @@ id: h5parm_collector
 
 hints:
   DockerRequirement:
-    dockerPull: tammojan/lofar-pipeline
+    dockerPull: lofareosc/prefactor-ci
 
 baseCommand:
   - H5parm_collector.py