diff --git a/parse_go1.23_test.go b/parse_go1.23_test.go
index a4868ad..543ffe8 100644
--- a/parse_go1.23_test.go
+++ b/parse_go1.23_test.go
@@ -29,11 +29,13 @@ func TestParseWindowsSCEPCertificateRequest(t *testing.T) {
 
 	// enable the legacy parser when Go 1.23 or newer is used, and parse it again
 	SetFallbackLegacyX509CertificateParserEnabled(true)
+	t.Cleanup(func() {
+		SetFallbackLegacyX509CertificateParserEnabled(false)
+	})
 	p7, err = Parse(data)
 	if err != nil {
 		t.Errorf("failed parsing SCEP request data with legacy X509 certificate parser enabled: %v", err)
 	}
-	SetFallbackLegacyX509CertificateParserEnabled(false)
 
 	if len(p7.Certificates) != 1 {
 		t.Errorf("expected a single certificate; got %d", len(p7.Certificates))