diff --git a/.github/workflows/nfr.yml b/.github/workflows/nfr.yml
index ce703b406e..1a4e454b1c 100644
--- a/.github/workflows/nfr.yml
+++ b/.github/workflows/nfr.yml
@@ -159,6 +159,7 @@ jobs:
         uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
         with:
           path: tests/results/
+          merge-multiple: true
 
       - name: Open a PR with the results
         uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c # v6.1.0
diff --git a/tests/framework/results.go b/tests/framework/results.go
index 87d363b080..f24bcf4223 100644
--- a/tests/framework/results.go
+++ b/tests/framework/results.go
@@ -25,7 +25,7 @@ func CreateResultsDir(testName, version string) (string, error) {
 
 // CreateResultsFile creates and returns the results file for a test.
 func CreateResultsFile(filename string) (*os.File, error) {
-	outFile, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0o777)
+	outFile, err := os.OpenFile(filename, os.O_TRUNC|os.O_WRONLY|os.O_CREATE, 0o644)
 	if err != nil {
 		return nil, err
 	}