diff --git a/bashclub-zsync/usr/bin/bashclub-zsync b/bashclub-zsync/usr/bin/bashclub-zsync
index 45a8877..85b12e7 100644
--- a/bashclub-zsync/usr/bin/bashclub-zsync
+++ b/bashclub-zsync/usr/bin/bashclub-zsync
@@ -102,7 +102,7 @@ function log() {
 }
 
 if which checkzfs; then
-    if [ checkzfs_disabled -eq 0 ]; then
+    if [ $checkzfs_disabled -eq 0 ]; then
         checkzfs=$(which checkzfs)
         log "[INFO] installed checkzfs found: $checkzfs"
     else