diff --git a/.github/workflows/build-sphinx-report.yml b/.github/workflows/build-sphinx-report.yml
index 1c8a74a..18fad18 100644
--- a/.github/workflows/build-sphinx-report.yml
+++ b/.github/workflows/build-sphinx-report.yml
@@ -33,7 +33,7 @@ jobs:
           source $pythonLocation/activate
           make html
       - name: "Create a gzip of the build"
-        run: "tar -xvzf report/_build/report.html.tar.gz report/_build/html"
+        run: "tar -cvzf report/_build/report.html.tar.gz report/_build/html"
       - name: "Upload build artifact"
         uses: actions/upload-artifact@v2
         with:
diff --git a/.github/workflows/build-sphinx-thesis.yml b/.github/workflows/build-sphinx-thesis.yml
index 624c9c7..c749cb2 100644
--- a/.github/workflows/build-sphinx-thesis.yml
+++ b/.github/workflows/build-sphinx-thesis.yml
@@ -33,7 +33,7 @@ jobs:
           source $pythonLocation/activate
           make html
       - name: "Create a gzip of the build"
-        run: "tar -xvzf thesis/_build/thesis.html.tar.gz thesis/_build/html"
+        run: "tar -cvzf thesis/_build/thesis.html.tar.gz thesis/_build/html"
       - name: "Upload build artifact"
         uses: actions/upload-artifact@v2
         with: