diff --git a/internal/cvelist/cvelist.go b/internal/cvelist/cvelist.go
index f90d8a1..428272d 100644
--- a/internal/cvelist/cvelist.go
+++ b/internal/cvelist/cvelist.go
@@ -155,6 +155,8 @@
 	return &c, nil
 }
 
+const goGitHubRepo = "github.com/golang/go"
+
 // cveToIssue creates a GoVulnIssue from a c *cveschema.CVE.
 func cveToIssue(c *cveschema.CVE) (*GoVulnIssue, error) {
 	if isPendingCVE(c) {
@@ -194,6 +196,9 @@
 		CVE:         c.CVEDataMeta.ID,
 		Description: description(c),
 	}
+	if mp == goGitHubRepo {
+		r.Stdlib = true
+	}
 	info := AdditionalInfo{
 		Products: products(c),
 		CWE:      cwe,