diff --git a/webview/webview_dialog.cpp b/webview/webview_dialog.cpp
index fe25c20..7729255 100644
--- a/webview/webview_dialog.cpp
+++ b/webview/webview_dialog.cpp
@@ -26,6 +26,8 @@
 #include <QtCore/QPointer>
 #include <QtCore/QCoreApplication>
 
+#include "rpl/take.h"
+
 #include <memory>
 
 namespace Webview {
@@ -242,7 +244,7 @@ PopupResult ShowBlockingPopup(PopupArgs &&args) {
 		container->resizeToWidth(st::boxWideWidth);
 
 		container->heightValue(
-		) | rpl::on_next([=](int height) {
+		) | rpl::take(1) | rpl::on_next([=](int height) {
 			raw->setInnerSize({ st::boxWideWidth, titleHeight + height });
 		}, container->lifetime());
 
@@ -469,7 +471,7 @@ void ShowPopupAsync(
 		container->resizeToWidth(st::boxWideWidth);
 
 		container->heightValue(
-		) | rpl::on_next([=](int height) {
+		) | rpl::take(1) | rpl::on_next([=](int height) {
 			raw->setInnerSize({ st::boxWideWidth, titleHeight + height });
 		}, container->lifetime());