diff --git a/src/main/java/org/jabref/gui/preferences/ai/AiTab.fxml b/src/main/java/org/jabref/gui/preferences/ai/AiTab.fxml
index 6409dd42c98..d8040d43318 100644
--- a/src/main/java/org/jabref/gui/preferences/ai/AiTab.fxml
+++ b/src/main/java/org/jabref/gui/preferences/ai/AiTab.fxml
@@ -3,13 +3,14 @@
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
 
+<?import org.controlsfx.control.textfield.CustomPasswordField?>
 <fx:root spacing="10.0" type="VBox" xmlns="http://javafx.com/javafx/17.0.2-ea" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.jabref.gui.preferences.ai.AiTab">
    <children>
       <CheckBox fx:id="enableChat" mnemonicParsing="false" text="%Enable chat with attached PDF files" />
       <HBox alignment="CENTER_LEFT" spacing="10.0">
          <children>
             <Label alignment="BASELINE_CENTER" text="%OpenAI API token" />
-            <TextField fx:id="openAiToken" HBox.hgrow="ALWAYS" />
+            <CustomPasswordField fx:id="openAiToken" HBox.hgrow="ALWAYS" />
          </children>
       </HBox>
    </children>