diff --git a/electrum/gui/qml/components/WalletDetails.qml b/electrum/gui/qml/components/WalletDetails.qml
index 35d608364..ea1052063 100644
--- a/electrum/gui/qml/components/WalletDetails.qml
+++ b/electrum/gui/qml/components/WalletDetails.qml
@@ -189,7 +189,7 @@ Pane {
                             Layout.fillWidth: true
                             visible: seed_extension_label.visible
                             Label {
-                                Layout.fillWidth: true
+                                width: parent.width
                                 text: Daemon.currentWallet.seedPassphrase
                                 wrapMode: Text.Wrap
                                 font.family: FixedFont