diff --git a/run.sh b/run.sh
index 353a9f1..4b9b39a 100755
--- a/run.sh
+++ b/run.sh
@@ -53,7 +53,7 @@ do
     VAL_TYPE_LST="${NEW_LSTDIR}/val_${kfold}_type.lst"
     
     # Configuration for the run clustering file
-    if [ ! ${VECTOR_FILES_ONE} ]
+    if [ ${VECTOR_FILES_ONE} == false ]
     then
         VECTOR_FILE="${VECTOR_FILES_BEGIN}_${kfold}${VECTOR_FILES_END}"
     fi