diff --git a/api/templates/default/prompt.xet b/api/templates/default/prompt.xet
index b717d2ca14..ae6d6f350e 100644
--- a/api/templates/default/prompt.xet
+++ b/api/templates/default/prompt.xet
@@ -7,7 +7,7 @@
 			<image src="dialog_help" class="dialog_icon"/>
 			<vbox class="ui-dialog-content">
 				<label id="message"/>
-				<textbox id="value"/>
+				<textbox id="value" width="90%"/>
 			</vbox>
 		</hbox>
 	</template>