diff --git a/dlls/mysqlx/AMBuilder b/dlls/mysqlx/AMBuilder
index 3ebb7cfb..a8524830 100644
--- a/dlls/mysqlx/AMBuilder
+++ b/dlls/mysqlx/AMBuilder
@@ -12,6 +12,7 @@ if AMXX.mysql_path:
 
   binary.compiler.defines += [
     'SM_DEFAULT_THREADER',
+    'HAVE_STDINT_H',
     'stricmp=strcasecmp',
   ]