diff --git a/sh/sync.sh b/sh/sync.sh
index 057d7ad..ff0df57 100755
--- a/sh/sync.sh
+++ b/sh/sync.sh
@@ -559,7 +559,7 @@ _process_arguments() {
         case "${Aseen}" in
             *"|:_//_:|${INPUT}|:_//_:|"*) continue ;;
             *) Aseen="${Aseen}|:_//_:|${INPUT}|:_//_:|" ;;
-        esac && { ! [ -d "${INPUT}" ] && printf "\nError: Invalid Input ( %s ), no such directory.\n" "${INPUT}" && continue; }; do
+        esac && [ -d "${INPUT}" ] || { printf "\nError: Invalid Input ( %s ), no such directory.\n" "${INPUT}" && continue; }; do
         current_folder_process_arguments="$(pwd)"
         FOLDER="$(cd "${INPUT}" && pwd)" || exit 1
         GDRIVE_FOLDER="${GDRIVE_FOLDER:-${ROOT_FOLDER_NAME:-Unknown}}"