diff --git a/src/common/cpu_detect.h b/src/common/cpu_detect.h
index dd700b4ce..dc100f880 100644
--- a/src/common/cpu_detect.h
+++ b/src/common/cpu_detect.h
@@ -6,6 +6,8 @@
 #define CPU_X64 1
 #elif defined(_M_IX86)
 #define CPU_X86 1
+#elif defined(_M_ARM64)
+#define CPU_AARCH64 1
 #else
 #error Unknown architecture.
 #endif