diff --git a/ui/integration.cpp b/ui/integration.cpp
index be754c5..68db7c1 100644
--- a/ui/integration.cpp
+++ b/ui/integration.cpp
@@ -36,6 +36,12 @@ void Integration::textActionsUpdated() {
 void Integration::activationFromTopPanel() {
 }
 
+void Integration::startFontsBegin() {
+}
+
+void Integration::startFontsEnd() {
+}
+
 std::shared_ptr<ClickHandler> Integration::createLinkHandler(
 		EntityType type,
 		const QString &text,
diff --git a/ui/integration.h b/ui/integration.h
index f420a58..c01cba5 100644
--- a/ui/integration.h
+++ b/ui/integration.h
@@ -39,6 +39,9 @@ public:
 	virtual void textActionsUpdated();
 	virtual void activationFromTopPanel();
 
+	virtual void startFontsBegin();
+	virtual void startFontsEnd();
+
 	[[nodiscard]] virtual std::shared_ptr<ClickHandler> createLinkHandler(
 		EntityType type,
 		const QString &text,
diff --git a/ui/style/style_core_font.cpp b/ui/style/style_core_font.cpp
index a73e169..318783b 100644
--- a/ui/style/style_core_font.cpp
+++ b/ui/style/style_core_font.cpp
@@ -6,8 +6,9 @@
 //
 #include "ui/style/style_core_font.h"
 
-#include "base/algorithm.h"
 #include "ui/ui_log.h"
+#include "base/algorithm.h"
+#include "ui/integration.h"
 
 #include <QtCore/QMap>
 #include <QtCore/QVector>
@@ -137,6 +138,11 @@ void StartFonts() {
 
 	style_InitFontsResource();
 
+	const auto integrationExists = Ui::Integration::Exists();
+	if (integrationExists) {
+		Ui::Integration::Instance().startFontsBegin();
+	}
+
 #ifndef DESKTOP_APP_USE_PACKAGED_FONTS
 	bool areGood[FontTypesCount] = { false };
 	for (auto i = 0; i != FontTypesCount; ++i) {
@@ -173,6 +179,10 @@ void StartFonts() {
 		QFont::insertSubstitutions(name, list);
 	}
 #endif // Q_OS_MAC
+
+	if (integrationExists) {
+		Ui::Integration::Instance().startFontsEnd();
+	}
 }
 
 QString GetPossibleEmptyOverride(const QString &familyName, int32 flags) {