diff --git a/.github/actions/setup_lfs/action.yml b/.github/actions/setup_lfs/action.yml
index d937ddfc316..56d644795d3 100644
--- a/.github/actions/setup_lfs/action.yml
+++ b/.github/actions/setup_lfs/action.yml
@@ -43,8 +43,14 @@ runs:
         key: tardis-regression-${{ inputs.atom-data-sparse == 'true' && 'atom-data-sparse' || 'full-data' }}-${{ hashFiles('tardis-regression-data/.lfs-files-list') }}-${{ inputs.regression-data-repo }}-v1
         fail-on-cache-miss: true
 
-    - name: Git LFS Checkout
+    - name: Git LFS Checkout (Full)
+      if: inputs.atom-data-sparse != 'true' && steps.lfs-cache-regression-data.outputs.cache-hit == 'true'
       run: git lfs checkout
       working-directory: tardis-regression-data
-      if: steps.lfs-cache-regression-data.outputs.cache-hit == 'true'
+      shell: bash
+
+    - name: Git LFS Checkout (Sparse)
+      if: inputs.atom-data-sparse == 'true' && steps.lfs-cache-regression-data.outputs.cache-hit == 'true'
+      run: git lfs checkout atom_data/kurucz_cd23_chianti_H_He.h5
+      working-directory: tardis-regression-data
       shell: bash