diff --git a/CMakeLists.txt b/CMakeLists.txt
index 795f83e..fe0a741 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,8 @@ add_executable(glExplorer
 if(${WIN32} AND NOT ${CMAKE_BUILD_TYPE} STREQUAL "Debug")
     if(${MSVC})
         target_link_options(glExplorer PRIVATE /SUBSYSTEM:WINDOWS)
-        else()
+        target_compile_definitions(glExplorer PRIVATE main=WinMain)
+    else()
         target_link_options(glExplorer PRIVATE -mwindows)
     endif(${MSVC})
     target_sources(glExplorer PRIVATE res.rc)