diff --git a/platformio/util.py b/platformio/util.py
index 004ac5c9..bb3679fe 100644
--- a/platformio/util.py
+++ b/platformio/util.py
@@ -143,6 +143,8 @@ def get_systype():
             arch = "x86_" + platform.architecture()[0]
         if "x86" in arch:
             arch = "amd64" if "64" in arch else "x86"
+    if arch == "aarch64" and platform.architecture()[0] == "32bit":
+        arch = "armv7l"
     return "%s_%s" % (system, arch) if arch else system