diff --git a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
index bc87d4f55..0f69129f1 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
+++ b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
@@ -643,7 +643,7 @@ interface_up=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e
 
 # An interface in error will never be used in MPTCP
 if [ "$OMR_TRACKER_STATUS" = "ERROR" ] || [ "$interface_up" != "true" ]; then
-	if [ "$(uci -q get network.$OMR_TRACKER_INTERFACE.proto)" = "modemmanager" ] || [ "$(uci -q get network.$OMR_TRACKER_INTERFACE.proto)" = "wireguard" ]; then
+	if [ "$interface_up" = "true" ] && ([ "$(uci -q get network.$OMR_TRACKER_INTERFACE.proto)" = "modemmanager" ] || [ "$(uci -q get network.$OMR_TRACKER_INTERFACE.proto)" = "wireguard" ]); then
 		_log "No answer from $OMR_TRACKER_INTERFACE ($OMR_TRACKER_DEVICE), restart interface"
 		_log "Set $OMR_TRACKER_INTERFACE down"
 		ifdown $OMR_TRACKER_INTERFACE