diff --git a/tests/automatic/file_transfer_service/rest_api/check_linux.sh b/tests/automatic/file_transfer_service/rest_api/check_linux.sh
index e7350241666f62bd20a802c6ea921af2f5e3f725..a1d034a96fa53935198eba0321a139045d414321 100644
--- a/tests/automatic/file_transfer_service/rest_api/check_linux.sh
+++ b/tests/automatic/file_transfer_service/rest_api/check_linux.sh
@@ -33,9 +33,12 @@ curl -o aaa --silent -H "Authorization: Bearer ${folder_token}" --data "{\"Folde
 
 curl -H "Authorization: Bearer ${folder_token}" --data "{\"Folder\":\"$file_transfer_folder\",\"FileName\":\"aaa\",\"Token\":\"$folder_token\"}" 127.0.0.1:5008/v0.1/transfer?sizeonly=true --stderr - | tee /dev/stderr | grep 100000
 
-
 diff -q aaa $file_transfer_folder/aaa
 
+chmod -r $file_transfer_folder/aaa
+curl --silent -H "Authorization: Bearer ${folder_token}" --data "{\"Folder\":\"$file_transfer_folder\",\"FileName\":\"aaa\",\"Token\":\"$folder_token\"}" 127.0.0.1:5008/v0.1/transfer?sizeonly=true --stderr - | tee /dev/stderr | grep "does not exist"
+
+
 dd if=/dev/zero of=$file_transfer_folder/big_file bs=1 count=0 seek=5368709120
 
 curl -vvv -o big_file -H "Authorization: Bearer ${folder_token}" --data "{\"Folder\":\"$file_transfer_folder\",\"FileName\":\"big_file\",\"Token\":\"$folder_token\"}" 127.0.0.1:5008/v0.1/transfer --stderr -  | tee /dev/stderr