diff --git a/Telegram/SourceFiles/boxes/edit_caption_box.cpp b/Telegram/SourceFiles/boxes/edit_caption_box.cpp
index 430e56821..77c8d18bd 100644
--- a/Telegram/SourceFiles/boxes/edit_caption_box.cpp
+++ b/Telegram/SourceFiles/boxes/edit_caption_box.cpp
@@ -209,7 +209,7 @@ EditCaptionBox::EditCaptionBox(
 		Ui::InputField::Mode::MultiLine,
 		langFactory(lng_photo_caption),
 		editData);
-	_field->setMaxLength(MaxPhotoCaption);
+	_field->setMaxLength(Global::CaptionLengthMax());
 	_field->setSubmitSettings(Ui::InputField::SubmitSettings::Both);
 	_field->setInstantReplaces(Ui::InstantReplaces::Default());
 	_field->setInstantReplacesEnabled(Global::ReplaceEmojiValue());
diff --git a/Telegram/SourceFiles/boxes/rate_call_box.cpp b/Telegram/SourceFiles/boxes/rate_call_box.cpp
index e80bdb431..caed8ee91 100644
--- a/Telegram/SourceFiles/boxes/rate_call_box.cpp
+++ b/Telegram/SourceFiles/boxes/rate_call_box.cpp
@@ -20,6 +20,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace {
 
 constexpr auto kMaxRating = 5;
+constexpr auto kRateCallCommentLengthMax = 200;
 
 } // namespace
 
@@ -78,7 +79,7 @@ void RateCallBox::ratingChanged(int value) {
 				langFactory(lng_call_rate_comment));
 			_comment->show();
 			_comment->setSubmitSettings(Ui::InputField::SubmitSettings::Both);
-			_comment->setMaxLength(MaxPhotoCaption);
+			_comment->setMaxLength(kRateCallCommentLengthMax);
 			_comment->resize(width() - (st::callRatingPadding.left() + st::callRatingPadding.right()), _comment->height());
 
 			updateMaxHeight();
diff --git a/Telegram/SourceFiles/boxes/report_box.cpp b/Telegram/SourceFiles/boxes/report_box.cpp
index 04c8fba2c..cd3947418 100644
--- a/Telegram/SourceFiles/boxes/report_box.cpp
+++ b/Telegram/SourceFiles/boxes/report_box.cpp
@@ -17,6 +17,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/toast/toast.h"
 #include "mainwindow.h"
 
+namespace {
+
+constexpr auto kReportReasonLengthMax = 200;
+
+} // namespace
+
 ReportBox::ReportBox(QWidget*, not_null<PeerData*> peer)
 : _peer(peer) {
 }
@@ -89,7 +95,7 @@ void ReportBox::reasonChanged(Reason reason) {
 				langFactory(lng_report_reason_description));
 			_reasonOtherText->show();
 			_reasonOtherText->setSubmitSettings(Ui::InputField::SubmitSettings::Both);
-			_reasonOtherText->setMaxLength(MaxPhotoCaption);
+			_reasonOtherText->setMaxLength(kReportReasonLengthMax);
 			_reasonOtherText->resize(width() - (st::boxPadding.left() + st::boxOptionListPadding.left() + st::boxPadding.right()), _reasonOtherText->height());
 
 			updateMaxHeight();
diff --git a/Telegram/SourceFiles/boxes/send_files_box.cpp b/Telegram/SourceFiles/boxes/send_files_box.cpp
index 7ffc590bf..1fecfa1dd 100644
--- a/Telegram/SourceFiles/boxes/send_files_box.cpp
+++ b/Telegram/SourceFiles/boxes/send_files_box.cpp
@@ -1556,7 +1556,7 @@ void SendFilesBox::applyAlbumOrder() {
 }
 
 void SendFilesBox::setupCaption() {
-	_caption->setMaxLength(MaxPhotoCaption);
+	_caption->setMaxLength(Global::CaptionLengthMax());
 	_caption->setSubmitSettings(Ui::InputField::SubmitSettings::Both);
 	connect(_caption, &Ui::InputField::resized, [=] {
 		captionResized();
diff --git a/Telegram/SourceFiles/config.h b/Telegram/SourceFiles/config.h
index 863d0280e..f26f04cae 100644
--- a/Telegram/SourceFiles/config.h
+++ b/Telegram/SourceFiles/config.h
@@ -75,8 +75,6 @@ enum {
 	SearchPeopleLimit = 5,
 	UsernameCheckTimeout = 200,
 
-	MaxPhotoCaption = 200,
-
 	MaxMessageSize = 4096,
 
 	WriteMapTimeout = 1000,
diff --git a/Telegram/SourceFiles/facades.cpp b/Telegram/SourceFiles/facades.cpp
index a9de1ea83..65a7d707f 100644
--- a/Telegram/SourceFiles/facades.cpp
+++ b/Telegram/SourceFiles/facades.cpp
@@ -622,6 +622,7 @@ struct Data {
 		: qsl("apv2.stel.com");
 	bool PhoneCallsEnabled = true;
 	bool BlockedMode = false;
+	int32 CaptionLengthMax = 1024;
 	base::Observable<void> PhoneCallsEnabledChanged;
 
 	HiddenPinnedMessagesMap HiddenPinnedMessages;
@@ -750,6 +751,7 @@ DefineVar(Global, int32, WebFileDcId);
 DefineVar(Global, QString, TxtDomainString);
 DefineVar(Global, bool, PhoneCallsEnabled);
 DefineVar(Global, bool, BlockedMode);
+DefineVar(Global, int32, CaptionLengthMax);
 DefineRefVar(Global, base::Observable<void>, PhoneCallsEnabledChanged);
 
 DefineVar(Global, HiddenPinnedMessagesMap, HiddenPinnedMessages);
diff --git a/Telegram/SourceFiles/facades.h b/Telegram/SourceFiles/facades.h
index e3eca0d2c..8f58b0bcf 100644
--- a/Telegram/SourceFiles/facades.h
+++ b/Telegram/SourceFiles/facades.h
@@ -286,6 +286,7 @@ DeclareVar(int32, WebFileDcId);
 DeclareVar(QString, TxtDomainString);
 DeclareVar(bool, PhoneCallsEnabled);
 DeclareVar(bool, BlockedMode);
+DeclareVar(int32, CaptionLengthMax);
 DeclareRefVar(base::Observable<void>, PhoneCallsEnabledChanged);
 
 typedef QMap<PeerId, MsgId> HiddenPinnedMessagesMap;
diff --git a/Telegram/SourceFiles/mtproto/mtp_instance.cpp b/Telegram/SourceFiles/mtproto/mtp_instance.cpp
index 119abbff7..21a56e74b 100644
--- a/Telegram/SourceFiles/mtproto/mtp_instance.cpp
+++ b/Telegram/SourceFiles/mtproto/mtp_instance.cpp
@@ -768,6 +768,7 @@ void Instance::Private::configLoadDone(const MTPConfig &result) {
 		Global::RefPhoneCallsEnabledChanged().notify();
 	}
 	Global::SetBlockedMode(data.is_blocked_mode());
+	Global::SetCaptionLengthMax(data.vcaption_length_max.v);
 
 	const auto lang = data.has_suggested_lang_code()
 		? qs(data.vsuggested_lang_code)