diff --git a/scripts/sign/deb b/scripts/sign/deb
index 2d2724e766..18aca6bd15 100755
--- a/scripts/sign/deb
+++ b/scripts/sign/deb
@@ -15,4 +15,4 @@ sha256sum *Release*
 # echo $HEROKU_DEB_PUBLIC_KEY | base64 --decode > /build/dist/apt/release.key
 #
 mkdir -p /home/runner/work/cli/cli/packages/cli/dist/apt
-echo $HEROKU_DEB_PUBLIC_KEY | base64 --decode > /home/runner/work/cli/cli/packages/cli/dist/apt/release.key
+echo "$HEROKU_DEB_PUBLIC_KEY" | base64 --decode > /home/runner/work/cli/cli/packages/cli/dist/apt/release.key