diff --git a/image_builder b/image_builder
index 34389d6..a91919c 100755
--- a/image_builder
+++ b/image_builder
@@ -4,7 +4,7 @@ function get_arch()
 {
     local architecture
     if uname -m | grep -q "arm64" || uname -m | grep -q "aarch64"; then
-        architecture="aarch64"
+        architecture="arm64"
     elif uname -m | grep -q "64"; then
         architecture="amd64"
     elif uname -m | grep -q "86"; then