diff --git a/Telegram/SourceFiles/platform/linux/linux_gtk_integration.cpp b/Telegram/SourceFiles/platform/linux/linux_gtk_integration.cpp
index 2d677e4414..8367a07f5f 100644
--- a/Telegram/SourceFiles/platform/linux/linux_gtk_integration.cpp
+++ b/Telegram/SourceFiles/platform/linux/linux_gtk_integration.cpp
@@ -316,6 +316,7 @@ GtkIntegration *GtkIntegration::Instance() {
 }
 
 void GtkIntegration::load() {
+	Expects(!GtkLoaded);
 	DEBUG_LOG(("Loading GTK"));
 
 	QLibrary lib_gtk;