diff --git a/zkstack_cli/zkstackup/zkstackup b/zkstack_cli/zkstackup/zkstackup
index e91bbc17905c..8901bcfb71cf 100755
--- a/zkstack_cli/zkstackup/zkstackup
+++ b/zkstack_cli/zkstackup/zkstackup
@@ -2,7 +2,7 @@
 set -eo pipefail
 
 LOCAL_DIR="$HOME/.local/"
-BIN_DIR="$LOCAL_DIR/bin"
+BIN_DIR="${LOCAL_DIR}/bin"
 
 BINS=()