diff --git a/internal/configuration/selection.go b/internal/configuration/selection.go
index e2318e30..eaaa8d38 100644
--- a/internal/configuration/selection.go
+++ b/internal/configuration/selection.go
@@ -138,7 +138,7 @@ func (settings *OpenVPNSelection) readProtocolAndPort(r reader) (err error) {
 
 	settings.CustomPort, err = readOpenVPNCustomPort(r, openvpnPortValidation{allAllowed: true})
 	if err != nil {
-		return fmt.Errorf("environment variable PORT: %w", err)
+		return err
 	}
 
 	return nil