diff --git a/pkg/repo/index.go b/pkg/repo/index.go
index 17d8d33e1..e1ce3c62d 100644
--- a/pkg/repo/index.go
+++ b/pkg/repo/index.go
@@ -353,10 +353,6 @@ func loadIndex(data []byte, source string) (*IndexFile, error) {
 		return i, err
 	}
 
-	if i.APIVersion == "" {
-		return i, ErrNoAPIVersion
-	}
-
 	for name, cvs := range i.Entries {
 		for idx := len(cvs) - 1; idx >= 0; idx-- {
 			if cvs[idx] == nil {
@@ -379,6 +375,9 @@ func loadIndex(data []byte, source string) (*IndexFile, error) {
 		i.Entries[name] = cvs
 	}
 	i.SortEntries()
+	if i.APIVersion == "" {
+		return i, ErrNoAPIVersion
+	}
 	return i, nil
 }