diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 9c4adf98b..32a304352 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -651,7 +651,9 @@ jobs:
         run: |
           shopt -s globstar
           # Update source code paths from macOS tracefiles to match Linux.
-          sed -i -Ee 's|^SF:/Users|SF:/home|' artifacts/**/coverage.info
+          sed -i -Ee 's|^SF:/Users|SF:/home|' artifacts/*.macos-*/**/coverage.info
+          # Update source code paths from Windows tracefiles to match Linux.
+          sed -i -Ee 's|\\|/|g' -e 's|^SF:D:/a|SF:/home/runner/work|' artifacts/*.win.*/**/coverage.info
           # Combine all tracefiles into one.
           lcov $(find artifacts -name '*.info' -type f -printf '-a %p\n') -o coverage.info
           # Generate the HTML report.