diff --git a/tcar-scripts-prepare/prepare.sh b/tcar-scripts-prepare/prepare.sh
index 5ddf768..e937bf8 100755
--- a/tcar-scripts-prepare/prepare.sh
+++ b/tcar-scripts-prepare/prepare.sh
@@ -43,7 +43,7 @@ function prepare {
 
     prepare_getOptions
 
-    for TCAR_WORKDIR ${TCAR_SCRIPT_ARGUMENT};do
+    for TCAR_WORKDIR in ${TCAR_SCRIPT_ARGUMENT};do
         prepare_setWorkplace
     done