diff --git a/.github/workflows/windows-msvc.yml b/.github/workflows/windows-msvc.yml
index 134e7f18c..b748e62d6 100644
--- a/.github/workflows/windows-msvc.yml
+++ b/.github/workflows/windows-msvc.yml
@@ -204,6 +204,7 @@ jobs:
 
       - name: Upload testsuite-${{ matrix.arch }}-${{ matrix.target }}.log
         uses: actions/upload-artifact@v4
+        if: failure()
         with:
           name: testsuite-${{ matrix.arch }}-${{ matrix.target }}.log
           path: ${{ env.GITHUB_WORKSPACE }}/tests/testsuite.log
diff --git a/.github/workflows/windows-msys1.yml b/.github/workflows/windows-msys1.yml
index 661344910..67f3801c6 100644
--- a/.github/workflows/windows-msys1.yml
+++ b/.github/workflows/windows-msys1.yml
@@ -229,6 +229,7 @@ jobs:
 
       - name: Upload testsuite-${{ matrix.target }}.log
         uses: actions/upload-artifact@v4
+        if: failure()
         with:
           name: testsuite-${{ matrix.target }}.log
           path: ${{ env.GITHUB_WORKSPACE }}/_build/tests/testsuite.log
diff --git a/.github/workflows/windows-msys2.yml b/.github/workflows/windows-msys2.yml
index f2b5c13e9..59ba117b5 100644
--- a/.github/workflows/windows-msys2.yml
+++ b/.github/workflows/windows-msys2.yml
@@ -102,6 +102,7 @@ jobs:
 
       - name: Upload testsuite-${{matrix.sys}}-${{matrix.target}}.log
         uses: actions/upload-artifact@v4
+        if: failure()
         with:
           name: testsuite-${{matrix.sys}}-${{matrix.target}}.log
           path: ${{ env.GITHUB_WORKSPACE }}/_build/tests/testsuite.log