diff --git a/deploy.sh b/deploy.sh
index 9b4369e..1f4e148 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -1,18 +1,20 @@
 #!/bin/bash
 set -ex
 SSH_ARGS="-o StrictHostKeyChecking=no"
-[[ -n SSH_KEY ]] && {
+[[ -n "${SSH_KEY:-}" ]] && {
     SSH_KEY_FILE="$(mktemp)"
     SSH_ARGS="$SSH_ARGS -i $SSH_KEY_FILE"
     echo "$SSH_KEY" > "$SSH_KEY_FILE"
     chmod 0600 "$SSH_KEY_FILE"
 }
-[[ -n SSH_USER ]] && {
+[[ -n "${SSH_USER:-}" ]] && {
     SSH_ARGS="$SSH_ARGS -l $SSH_USER"
 }
 
 compile() {
-    [[ $JUST_DEPLOY != "yes" ]] && hugo || true
+    if [[ $JUST_DEPLOY != "yes" ]]; then 
+        hugo
+    fi
 }
 
 compile && rsync -e "ssh $SSH_ARGS" -avz --delete public/ zlomek.irth.pl:/srv/http/homepage/