diff --git a/trusted_os/main.go b/trusted_os/main.go
index 9057fd8..6bc5a3b 100644
--- a/trusted_os/main.go
+++ b/trusted_os/main.go
@@ -23,6 +23,7 @@ import (
 	"log"
 	"os"
 	"runtime"
+	"strings"
 	"time"
 
 	"github.com/coreos/go-semver/semver"
@@ -194,7 +195,7 @@ func main() {
 		log.Fatalf("SM failed to create OS bundle verifier: %v", err)
 	}
 
-	if v, err := semver.NewVersion(Version); err != nil {
+	if v, err := semver.NewVersion(strings.TrimPrefix(Version, "v")); err != nil {
 		log.Printf("Failed to parse OS version %q: %v", Version, err)
 	} else {
 		osVersion = *v