diff --git a/build/ndk-build.cmd b/build/ndk-build.cmd
index c7e86b1b..3f5be585 100755
--- a/build/ndk-build.cmd
+++ b/build/ndk-build.cmd
@@ -6,4 +6,6 @@ set PYTHONHOME=
 set PYTHONPATH=
 set NDK_ROOT=%~dp0\..
 set PREBUILT_PATH=%NDK_ROOT%\prebuilt\windows-x86_64
-"%PREBUILT_PATH%\bin\make.exe" -O -f "%NDK_ROOT%\build\core\build-local.mk" SHELL=cmd %*
+rem TODO: Reenable -O when make.exe's output-sync is fixed.
+rem See https://github.com/android/ndk/issues/1492.
+"%PREBUILT_PATH%\bin\make.exe" -f "%NDK_ROOT%\build\core\build-local.mk" SHELL=cmd %*