diff --git a/var/spack/repos/builtin/packages/nf-tower-cli/package.py b/var/spack/repos/builtin/packages/nf-tower-cli/package.py
index 0db4df3ed9d..e8a86690508 100644
--- a/var/spack/repos/builtin/packages/nf-tower-cli/package.py
+++ b/var/spack/repos/builtin/packages/nf-tower-cli/package.py
@@ -104,7 +104,7 @@ class NfTowerCli(Package):
                 url="https://github.com/seqeralabs/tower-cli/releases/download/v0.6.2/tw-0.6.2-linux-x86_64",
                 expand=False,
             )
-    elif platform.machine() == "aarch64":
+    elif platform.machine() == "arm64":
         if platform.system() == "Darwin":
             version(
                 "0.9.2",
diff --git a/var/spack/repos/builtin/packages/nf-wave-cli/package.py b/var/spack/repos/builtin/packages/nf-wave-cli/package.py
index 7143cd8aedc..1d978894eb3 100644
--- a/var/spack/repos/builtin/packages/nf-wave-cli/package.py
+++ b/var/spack/repos/builtin/packages/nf-wave-cli/package.py
@@ -41,7 +41,7 @@ class NfWaveCli(Package):
                 url="https://github.com/seqeralabs/wave-cli/releases/download/v1.1.3/wave-1.1.3-linux-x86_64",
                 expand=False,
             )
-    elif platform.machine() == "aarch64":
+    elif platform.machine() == "arm64":
         if platform.system() == "Darwin":
             version(
                 "1.2.0",