diff --git a/scripts/drevops/setup-ssh.sh b/scripts/drevops/setup-ssh.sh
index c5c4f3fd6..9e15d0b75 100755
--- a/scripts/drevops/setup-ssh.sh
+++ b/scripts/drevops/setup-ssh.sh
@@ -50,7 +50,7 @@ else
   note "Using default SSH file ${file}."
 fi
 
-if [ -n "${fingerprint}" ]; then
+if [ -n "${fingerprint-}" ]; then
   note "Using fingerprint-based deploy key because fingerprint was provided."
 
   if [ "${fingerprint#SHA256:}" != "${fingerprint}" ]; then