diff --git a/Telegram/SourceFiles/platform/linux/integration_linux.cpp b/Telegram/SourceFiles/platform/linux/integration_linux.cpp
index 8a7db94ed..e048a2d05 100644
--- a/Telegram/SourceFiles/platform/linux/integration_linux.cpp
+++ b/Telegram/SourceFiles/platform/linux/integration_linux.cpp
@@ -204,7 +204,7 @@ LinuxIntegration::LinuxIntegration()
 		return value->get_uint32() == 1;
 	}
 	return std::nullopt;
-})
+}())
 , _darkModeWatcher(
 	"org.freedesktop.appearance",
 	"color-scheme",