diff --git a/.github/workflows/analysis.yml b/.github/workflows/analysis.yml
index fcce16e..ae8e482 100644
--- a/.github/workflows/analysis.yml
+++ b/.github/workflows/analysis.yml
@@ -94,11 +94,11 @@ jobs:
       - name: Merge fitting results
         run: |
           head -n 1 $(ls artifacts/Working_Data/test_output_*.csv | head -n 1) > test_output.csv
-          tail -q -n +2 test_output_*.csv > test_output.csv
+          tail -q -n +2 artifacts/Working_Data/test_output_*.csv >> test_output.csv
       - name: Merge timing results
         run: |
           head -n 1 $(ls artifacts/Working_Data/test_duration_*.csv | head -n 1) > test_duration.csv
-          tail -q -n +2 test_duration_*.csv > test_duration.csv
+          tail -q -n +2 artifacts/Working_Data/test_duration_*.csv >> test_duration.csv
       - name: Upload merged artifacts
         uses: actions/upload-artifact@v3
         with: