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-rw-r--r--extmod/modplatform.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/extmod/modplatform.h b/extmod/modplatform.h
index b932551c7..0c83d7b8c 100644
--- a/extmod/modplatform.h
+++ b/extmod/modplatform.h
@@ -36,7 +36,11 @@
// See: https://sourceforge.net/p/predef/wiki/Home/
#if defined(__ARM_ARCH)
+#if defined(__ARM_ARCH_ISA_A64)
+#define MICROPY_PLATFORM_ARCH "aarch64"
+#else
#define MICROPY_PLATFORM_ARCH "arm"
+#endif
#elif defined(__x86_64__) || defined(_M_X64)
#define MICROPY_PLATFORM_ARCH "x86_64"
#elif defined(__i386__) || defined(_M_IX86)