--- a/gfx/angle/src/libANGLE/features.h
+++ b/gfx/angle/src/libANGLE/features.h
@@ -50,16 +50,16 @@
 // DISABLED allow precision for uniforms to differ between vertex and fragment shaders
 #if !defined(ANGLE_PROGRAM_LINK_VALIDATE_UNIFORM_PRECISION)
 #define ANGLE_PROGRAM_LINK_VALIDATE_UNIFORM_PRECISION ANGLE_ENABLED
 #endif
 
 // Controls if our threading code uses std::async or falls back to single-threaded operations.
 // TODO(jmadill): Enable on Linux once STL chrono headers are updated.
 #if !defined(ANGLE_STD_ASYNC_WORKERS)
-#if defined(ANGLE_PLATFORM_WINDOWS)
+#if !defined(__MINGW32__) && defined(ANGLE_PLATFORM_WINDOWS)
 #define ANGLE_STD_ASYNC_WORKERS ANGLE_ENABLED
 #else
 #define ANGLE_STD_ASYNC_WORKERS ANGLE_DISABLED
 #endif  // defined(ANGLE_PLATFORM_WINDOWS)
 #endif  // !defined(ANGLE_STD_ASYNC_WORKERS)
 
 #endif // LIBANGLE_FEATURES_H_