diff --git a/cmd/main.go b/cmd/main.go
index ede7cd8..c553140 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -401,8 +401,11 @@ func splitWith(arg string) (module, version, replace string, err error) {
 	return
 }

+var customVersion string
+
 // xcaddyVersion returns a detailed version string, if available.
 func xcaddyVersion() string {
+	return customVersion
 	mod := goModule()
 	ver := mod.Version
 	if mod.Sum != "" {