diff --git a/lib/config/optionsconfiguration.go b/lib/config/optionsconfiguration.go
index 29799948..0a5dae73 100644
--- a/lib/config/optionsconfiguration.go
+++ b/lib/config/optionsconfiguration.go
@@ -58,7 +58,7 @@ type OptionsConfiguration struct {
 	DeprecatedUPnPRenewalM       int      `xml:"upnpRenewalMinutes,omitempty" json:"-"`
 	DeprecatedUPnPTimeoutS       int      `xml:"upnpTimeoutSeconds,omitempty" json:"-"`
 	DeprecatedRelayServers       []string `xml:"relayServer,omitempty" json:"-"`
-	DeprecatedMinHomeDiskFreePct float64  `xml:"minHomeDiskFreePct" json:"-"`
+	DeprecatedMinHomeDiskFreePct float64  `xml:"minHomeDiskFreePct,omitempty" json:"-"`
 }
 
 func (orig OptionsConfiguration) Copy() OptionsConfiguration {