diff --git a/modules/wechat_qrcode/src/zxing/zxing.hpp b/modules/wechat_qrcode/src/zxing/zxing.hpp
index 76efae22c87..d735c830f2f 100644
--- a/modules/wechat_qrcode/src/zxing/zxing.hpp
+++ b/modules/wechat_qrcode/src/zxing/zxing.hpp
@@ -11,6 +11,7 @@
 #ifndef __ZXING_ZXING_HPP__
 #define __ZXING_ZXING_HPP__
 
+#include "opencv2/core/fast_math.hpp"
 
 #define COUNTER_TYPE short
 
@@ -54,8 +55,8 @@ typedef unsigned char boolean;
 #include <cmath>
 
 namespace zxing {
-inline bool isnan(float v) { return std::isnan(v); }
-inline bool isnan(double v) { return std::isnan(v); }
+inline bool isnan(float v) { return (bool)cvIsNaN(v); }
+inline bool isnan(double v) { return (bool)cvIsNaN(v); }
 inline float nan() { return std::numeric_limits<float>::quiet_NaN(); }
 }  // namespace zxing