diff --git a/scripts/release.sh b/scripts/release.sh
index e6303df..f9c014f 100755
--- a/scripts/release.sh
+++ b/scripts/release.sh
@@ -12,7 +12,7 @@ PDFTK_VERSION="$6"
 PDFCPU_VERSION="$7"
 DOCKER_REGISTRY="$8"
 DOCKER_REPOSITORY="$9"
-LINUX_AMD64_RELEASE="$10"
+LINUX_AMD64_RELEASE="${10}"
 
 # Find out if given version is "semver".
 GOTENBERG_VERSION="${GOTENBERG_VERSION//v}"