diff --git a/tasks/nebula.yml b/tasks/nebula.yml
index 362eeef..0c10a85 100644
--- a/tasks/nebula.yml
+++ b/tasks/nebula.yml
@@ -9,7 +9,7 @@
 # TODO: Detect cpu arch correctly
 - name: Download & Extract Nebula
   unarchive:
-    src: "https://github.com/slackhq/nebula/releases/download/v{{ nebula_version }}/nebula-linux-{{ cpu_arch | default('amd64') }}.tar.gz"
+    src: "https://github.com/slackhq/nebula/releases/download/v{{ nebula_version }}/nebula-linux-{{ nebula_architectures[ansible_architecture] }}.tar.gz"
     dest: "/opt/nebula"
     remote_src: yes
     creates: '/opt/nebula/nebula'
diff --git a/vars/main.yml b/vars/main.yml
new file mode 100644
index 0000000..10ebb4b
--- /dev/null
+++ b/vars/main.yml
@@ -0,0 +1,4 @@
+nebula_architectures:
+  x86_64: "amd64"
+  armv7l: "arm-7"
+  aarch64: "arm64"