diff --git a/build/windows_sdk_whitelist.mk b/build/windows_sdk_whitelist.mk
index 7f22c8ce4..dfeaf3a55 100644
--- a/build/windows_sdk_whitelist.mk
+++ b/build/windows_sdk_whitelist.mk
@@ -47,6 +47,7 @@ subdirs += \
 	external/llvm \
 	external/sqlite/dist \
 	external/zlib \
+	external/zopfli \
 	frameworks/base \
 	frameworks/compile \
 	frameworks/native \