diff --git a/main.go b/main.go
index a2e1ec03..c34307ab 100644
--- a/main.go
+++ b/main.go
@@ -53,7 +53,7 @@ type AdvancedOptions struct {
 }
 
 var opts Options
-var Version string
+var Version string = "unknown-dev"
 
 const (
 	confDirName  = ".syncthing"