diff --git a/winpr/include/winpr/pool.h b/winpr/include/winpr/pool.h
index 22142c9da..3160ae323 100644
--- a/winpr/include/winpr/pool.h
+++ b/winpr/include/winpr/pool.h
@@ -110,7 +110,7 @@ typedef VOID (*PTP_WIN32_IO_CALLBACK)(PTP_CALLBACK_INSTANCE Instance, PVOID Cont
 #define WINPR_THREAD_POOL 1
 #elif defined(_WIN32) && (_WIN32_WINNT < 0x0600)
 #define WINPR_THREAD_POOL 1
-#elif defined(__MINGW32__) && (__MINGW64_VERSION_MAJOR < 9)
+#elif defined(__MINGW32__) && (__MINGW64_VERSION_MAJOR < 8)
 #define WINPR_THREAD_POOL 1
 #endif