diff --git a/scripts/Diffraction/isis_powder/gem_routines/gem_algs.py b/scripts/Diffraction/isis_powder/gem_routines/gem_algs.py
index bb366ca0d92cba8bfff1bd484cdd2b3fe24f29e5..fcba0656630e1e0e0b697fbc4e067bbe262a4685 100644
--- a/scripts/Diffraction/isis_powder/gem_routines/gem_algs.py
+++ b/scripts/Diffraction/isis_powder/gem_routines/gem_algs.py
@@ -15,7 +15,8 @@ def calculate_van_absorb_corrections(ws_to_correct, multiple_scattering):
     absorb_dict = gem_advanced_config.absorption_correction_params
     sample_details_obj = absorb_corrections.create_vanadium_sample_details_obj(config_dict=absorb_dict)
     ws_to_correct = absorb_corrections.run_cylinder_absorb_corrections(
-        ws_to_correct=ws_to_correct, multiple_scattering=multiple_scattering, sample_details_obj=sample_details_obj)
+        ws_to_correct=ws_to_correct, multiple_scattering=multiple_scattering, sample_details_obj=sample_details_obj,
+        is_vanadium=True)
     return ws_to_correct