diff --git a/lib/datasource/go.js b/lib/datasource/go.js
index 78aa8ae4b4616d149f59302163e62254838a5c66..4f06e132ccb9cb245ccda3e32d9a65ec6c7c202f 100644
--- a/lib/datasource/go.js
+++ b/lib/datasource/go.js
@@ -73,7 +73,7 @@ async function getPkgReleases(purl, config) {
   const githubPurl = await getSourcePurl(name);
   if (githubPurl) {
     const githubTags = await github.getPkgReleases(githubPurl, config);
-    if (githubTags.releases) {
+    if (githubTags && githubTags.releases) {
       githubTags.releases = githubTags.releases.filter(
         release => release.version && release.version.startsWith('v')
       );