diff --git a/Mac/Tools/pythonw.c b/Mac/Tools/pythonw.c
index c8bd3ba8d68c15..b9aac11e86453b 100644
--- a/Mac/Tools/pythonw.c
+++ b/Mac/Tools/pythonw.c
@@ -121,6 +121,8 @@ setup_spawnattr(posix_spawnattr_t* spawnattr)
     cpu_types[0] = CPU_TYPE_POWERPC;
 #elif defined(__i386__)
     cpu_types[0] = CPU_TYPE_X86;
+#elif defined(__arm64__)
+    cpu_types[0] = CPU_TYPE_ARM64;
 #else
 #       error "Unknown CPU"
 #endif
diff --git a/Misc/NEWS.d/next/macOS/2020-07-01-19-03-26.bpo-41100.nrC7wk.rst b/Misc/NEWS.d/next/macOS/2020-07-01-19-03-26.bpo-41100.nrC7wk.rst
new file mode 100644
index 00000000000000..a7a063f7b7bdea
--- /dev/null
+++ b/Misc/NEWS.d/next/macOS/2020-07-01-19-03-26.bpo-41100.nrC7wk.rst
@@ -0,0 +1 @@
+pythonw: add arm64 support
\ No newline at end of file