diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index df61d604..01f191c9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -282,7 +282,7 @@ endif()
 # win32_platform.h.  We define them here until a saner solution can be found
 # NOTE: MinGW-w64 and Visual C++ do /not/ need this hack.
 if (MINGW)
-    target_compile_definitions(glfw PRIVATE WINVER=0x0601)
+    target_compile_definitions(glfw PRIVATE WINVER=0x0501)
 endif()
 
 # Workaround for legacy MinGW not providing XInput and DirectInput