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-rw-r--r--pkg/api/api0/api.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkg/api/api0/api.go b/pkg/api/api0/api.go
index 51d3c18..180bbfc 100644
--- a/pkg/api/api0/api.go
+++ b/pkg/api/api0/api.go
@@ -120,7 +120,7 @@ func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
func (h *Handler) checkLauncherVersion(r *http.Request) bool {
rver, _, _ := strings.Cut(r.Header.Get("User-Agent"), " ")
if x := strings.TrimPrefix(rver, "R2Northstar/"); rver != x {
- if x[0] != 'v' {
+ if len(x) > 0 && x[0] != 'v' {
rver = "v" + x
} else {
rver = x