diff --git a/qml/PreferencesView.qml b/qml/PreferencesView.qml
index e1d610f00..df4c6b94c 100644
--- a/qml/PreferencesView.qml
+++ b/qml/PreferencesView.qml
@@ -188,7 +188,10 @@ MainPage {
                     Layout.fillWidth: true
                     enabled: Settings.useProxy
                     text: Settings.proxyHost
-                    onTextChanged: Settings.proxyHost = text
+                    onEditingFinished: {
+                        console.log('update proxy host', text)
+                        Settings.proxyHost = text
+                    }
                 }
             }
             Field {
@@ -197,7 +200,10 @@ MainPage {
                 GTextField {
                     enabled: Settings.useProxy
                     text: Settings.proxyPort
-                    onTextChanged: Settings.proxyPort = text
+                    onEditingFinished: {
+                        console.log('update proxy port', text)
+                        Settings.proxyPort = text
+                    }
                 }
             }
             Field {