diff --git a/Telegram/SourceFiles/core/ui_integration.cpp b/Telegram/SourceFiles/core/ui_integration.cpp
index cc7a27264..6bc5e4910 100644
--- a/Telegram/SourceFiles/core/ui_integration.cpp
+++ b/Telegram/SourceFiles/core/ui_integration.cpp
@@ -119,6 +119,7 @@ style::CustomFontSettings UiIntegration::fontSettings() {
 		cMainFont(),
 		cSemiboldFont(),
 		cMonospaceFont(),
+		cFontSize(),
 		cSemiboldFontIsBold(),
 		cUseSystemFont(),
 		cUseOriginalMetrics(),
diff --git a/Telegram/SourceFiles/kotato/json_settings.cpp b/Telegram/SourceFiles/kotato/json_settings.cpp
index 75b12dd86..9a6c8099a 100644
--- a/Telegram/SourceFiles/kotato/json_settings.cpp
+++ b/Telegram/SourceFiles/kotato/json_settings.cpp
@@ -386,6 +386,7 @@ QByteArray GenerateSettingsJson(bool areDefault = false) {
 	settings.insert(qsl("forward_retain_selection"), cForwardRetainSelection());
 	settings.insert(qsl("forward_on_click"), cForwardChatOnClick());
 
+	settingsFonts.insert(qsl("size"), cFontSize());
 	settingsFonts.insert(qsl("use_system_font"), cUseSystemFont());
 	settingsFonts.insert(qsl("use_original_metrics"), cUseOriginalMetrics());
 
@@ -477,6 +478,10 @@ bool Manager::readCustomFile() {
 			cSetMonospaceFont(v);
 		});
 
+		ReadIntOption(o, "size", [&](auto v) {
+			cSetFontSize(v);
+		});
+
 		ReadBoolOption(o, "use_system_font", [&](auto v) {
 			cSetUseSystemFont(v);
 		});
diff --git a/Telegram/SourceFiles/kotato/settings.cpp b/Telegram/SourceFiles/kotato/settings.cpp
index d2ae752fe..0ae54a121 100644
--- a/Telegram/SourceFiles/kotato/settings.cpp
+++ b/Telegram/SourceFiles/kotato/settings.cpp
@@ -12,6 +12,7 @@ https://github.com/kotatogram/kotatogram-desktop/blob/dev/LEGAL
 bool gKotatoFirstRun = true;
 
 QString gMainFont, gSemiboldFont, gMonospaceFont;
+int gFontSize = 0;
 bool gSemiboldFontIsBold = false;
 
 #ifdef DESKTOP_APP_USE_PACKAGED_FONTS
diff --git a/Telegram/SourceFiles/kotato/settings.h b/Telegram/SourceFiles/kotato/settings.h
index 65268b2ba..6624bc9b2 100644
--- a/Telegram/SourceFiles/kotato/settings.h
+++ b/Telegram/SourceFiles/kotato/settings.h
@@ -30,6 +30,7 @@ DeclareSetting(QString, MainFont);
 DeclareSetting(QString, SemiboldFont);
 DeclareSetting(bool, SemiboldFontIsBold);
 DeclareSetting(QString, MonospaceFont);
+DeclareSetting(int, FontSize);
 DeclareSetting(bool, UseSystemFont);
 DeclareSetting(bool, UseOriginalMetrics);