diff --git a/media/libvpx/config/linux/arm64/vpx_config.h b/media/libvpx/config/linux/arm64/vpx_config.h
index 85e80ee5b0..cc238d5d1f 100644
--- a/media/libvpx/config/linux/arm64/vpx_config.h
+++ b/media/libvpx/config/linux/arm64/vpx_config.h
@@ -60,7 +60,11 @@
 #define CONFIG_DEBUG_LIBS 0
 #define CONFIG_DEQUANT_TOKENS 0
 #define CONFIG_DC_RECON 0
+#ifdef __linux__
 #define CONFIG_RUNTIME_CPU_DETECT 1
+#else
+#define CONFIG_RUNTIME_CPU_DETECT 0
+#endif
 #define CONFIG_POSTPROC 0
 #define CONFIG_VP9_POSTPROC 0
 #define CONFIG_MULTITHREAD 1