diff --git a/.github/workflows/calibrations.yaml b/.github/workflows/calibrations.yaml
index 9dfb8ae271..4c33abb483 100644
--- a/.github/workflows/calibrations.yaml
+++ b/.github/workflows/calibrations.yaml
@@ -3,6 +3,8 @@ name: "Calibrations (nightly)"
 on:
   schedule:
     - cron: 31 2 * * *
+  pull_request:
+    branches: "master"
 
 jobs:
   name: "Calibration for model ${{ matrix.hs_mode }}"
diff --git a/.github/workflows/calibrations_common.yaml b/.github/workflows/calibrations_common.yaml
index b6d691b6b7..3e6ee21d55 100644
--- a/.github/workflows/calibrations_common.yaml
+++ b/.github/workflows/calibrations_common.yaml
@@ -166,7 +166,7 @@ jobs:
           task_output_dir="${{ needs.setup.outputs.output_dir }}/${RUN_NAME}/${draw}/${{ matrix.index }}"
           mkdir -p "${task_output_dir}"
 
-          tlo scenario-run --output-dir "${task_output_dir}" --draw "${draw}" ${{ matrix.index }} "${{ needs.setup.outputs.worktree_path }}/src/scripts/calibration_analyses/scenarios/long_run_all_diseases.py" --healthsystem-mode ${{ input.hs_mode }}
+          tlo scenario-run --output-dir "${task_output_dir}" --draw "${draw}" ${{ matrix.index }} "${{ needs.setup.outputs.worktree_path }}/src/scripts/calibration_analyses/scenarios/long_run_all_diseases.py" --healthsystem-mode ${{ input.hs_mode }} --end-date '2011-01-01'
         working-directory: "${{ needs.setup.outputs.worktree_path }}"
 
   # Do the postprocessing