diff --git a/scheduled.yml b/scheduled.yml
index adc22c3..64ae076 100644
--- a/scheduled.yml
+++ b/scheduled.yml
@@ -13,7 +13,9 @@ variables:
     - mkdir -p ~/.ssh
     - chmod 700 ~/.ssh
     - eval $(ssh-agent -s)
-    - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -
+    - echo "$SSH_PRIVATE_KEY" | tr -d '\r' > ~/.ssh/key
+    - chmod 0400 ~/.ssh/key
+    - echo '' | SSH_ASKPASS=/bin/cat ssh-add ~/.ssh/key
     - echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
 
 .use-clang: