diff --git a/.circleci/sync-login-gov-env.sh b/.circleci/sync-login-gov-env.sh
index e869bc618..116afab31 100755
--- a/.circleci/sync-login-gov-env.sh
+++ b/.circleci/sync-login-gov-env.sh
@@ -11,7 +11,7 @@ require_env() {
 }
 
 escape_private_key() {
-  ruby -e 'print STDIN.read.gsub("\r\n", "\n").gsub("\n", "\\n")'
+  tr -d '\r' | sed 's/\n/\\n/g'
 }
 
 sync_login_gov_env() {