diff --git a/windows/runner/ocr_channel.cpp b/windows/runner/ocr_channel.cpp
index 1e7b2a5..2a44954 100644
--- a/windows/runner/ocr_channel.cpp
+++ b/windows/runner/ocr_channel.cpp
@@ -1,6 +1,7 @@
 #include "ocr_channel.h"
 
 #include <flutter/encodable_value.h>
+#include <flutter/flutter_engine.h>
 #include <flutter/method_channel.h>
 #include <flutter/standard_method_codec.h>