diff --git a/src/native/external/brotli/enc/fast_log.h b/src/native/external/brotli/enc/fast_log.h
index 81b3f7e37c0d..2094f13e5569 100644
--- a/src/native/external/brotli/enc/fast_log.h
+++ b/src/native/external/brotli/enc/fast_log.h
@@ -36,14 +36,14 @@ BROTLI_INTERNAL extern const double kBrotliLog2Table[BROTLI_LOG2_TABLE_SIZE];
 
 /* Visual Studio 2012 and Android API levels < 18 do not have the log2()
  * function defined, so we use log() and a multiplication instead. */
-//#if !defined(BROTLI_HAVE_LOG2)
-//#if ((defined(_MSC_VER) && _MSC_VER <= 1700) || \
-//     (defined(__ANDROID_API__) && __ANDROID_API__ < 18))
+#if !defined(BROTLI_HAVE_LOG2)
+#if ((defined(_MSC_VER) && _MSC_VER <= 1700) || \
+     (defined(__ANDROID_API__) && __ANDROID_API__ < 18))
 #define BROTLI_HAVE_LOG2 0
-//#else
-//#define BROTLI_HAVE_LOG2 1
-//#endif
-//#endif
+#else
+#define BROTLI_HAVE_LOG2 1
+#endif
+#endif
 
 #define LOG_2_INV 1.4426950408889634