diff --git a/CMakeLists.txt b/CMakeLists.txt
index 59d61a4e..843659dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -264,6 +264,7 @@ elseif(NOT MSVC)
 endif()
 
 if(BUILD_GUI)
+  cmake_minimum_required(VERSION 3.1) # <-- this is important for Linux GUI build, don't touch it -- sowle
   find_package(Qt5Widgets REQUIRED)  
   find_package(Qt5WebEngineWidgets REQUIRED)  
   find_package(Qt5WebChannel REQUIRED)