diff --git a/capz/run-capz-e2e.sh b/capz/run-capz-e2e.sh
index 4ff3e212..82e6a3fe 100755
--- a/capz/run-capz-e2e.sh
+++ b/capz/run-capz-e2e.sh
@@ -46,7 +46,8 @@ main() {
 
     echo "testing az mi"
     kubectl get --raw "/.well-known/openid-configuration"
-    az login -i -u 6755ccd3-1c03-4b09-aa0d-166f1f719b30 --federated-token "$(cat /var/run/secrets/azure-token/serviceaccount/token)"
+    echo "signing in"
+    az login -i -u 6755ccd3-1c03-4b09-aa0d-166f1f719b30 --federated-token "$(cat /var/run/secrets/azure-token/serviceaccount/token | base64 -d)"
     az account show
 
     echo "shutting down"