diff --git a/src/Client/Suggest.cpp b/src/Client/Suggest.cpp
index 4e38add0ef5..c9cc27b4337 100644
--- a/src/Client/Suggest.cpp
+++ b/src/Client/Suggest.cpp
@@ -43,7 +43,7 @@ Suggest::Suggest()
         "IN",           "KILL",     "QUERY",  "SYNC",      "ASYNC",    "TEST",        "BETWEEN",  "TRUNCATE",    "USER",    "ROLE",
         "PROFILE",      "QUOTA",    "POLICY", "ROW",       "GRANT",    "REVOKE",      "OPTION",   "ADMIN",       "EXCEPT",  "REPLACE",
         "IDENTIFIED",   "HOST",     "NAME",   "READONLY",  "WRITABLE", "PERMISSIVE",  "FOR",      "RESTRICTIVE", "RANDOMIZED",
-        "INTERVAL",     "LIMITS",   "ONLY",   "TRACKING",  "IP",       "REGEXP",      "ILIKE",    "CLEANUP"
+        "INTERVAL",     "LIMITS",   "ONLY",   "TRACKING",  "IP",       "REGEXP",      "ILIKE",    "CLEANUP",     "APPEND"
     });
 }
 
diff --git a/tests/queries/0_stateless/02346_into_outfile_and_stdout.sh b/tests/queries/0_stateless/02346_into_outfile_and_stdout.sh
index 8ec086c97ef..38145ab3e51 100755
--- a/tests/queries/0_stateless/02346_into_outfile_and_stdout.sh
+++ b/tests/queries/0_stateless/02346_into_outfile_and_stdout.sh
@@ -66,7 +66,7 @@ performBadQuery "bad_query_incorrect_usage" "SELECT 1, 2, 3 INTO OUTFILE AND STD
 
 performBadQuery "bad_query_no_into_outfile" "SELECT 1, 2, 3 AND STDOUT'" "SYNTAX_ERROR"
 
-performFileExists "bad_query_file_exists" "SELECT 1, 2, 3 INTO OUTFILE '${CLICKHOUSE_TMP}/test_into_outfile_and_stdout_bad_query_file_exists.out' AND STDOUT" "File ${CLICKHOUSE_TMP}/test_into_outfile_and_stdout_bad_query_file_exists exists, consider using APPEND or TRUNCATE if appropriate. (CANNOT_OPEN_FILE)"
+performFileExists "bad_query_file_exists" "SELECT 1, 2, 3 INTO OUTFILE '${CLICKHOUSE_TMP}/test_into_outfile_and_stdout_bad_query_file_exists.out' AND STDOUT" "File ${CLICKHOUSE_TMP}/test_into_outfile_and_stdout_bad_query_file_exists.out exists, consider using APPEND or TRUNCATE."
 
 performCompression "compression" "SELECT * FROM (SELECT 'Hello, World! From clickhouse.') INTO OUTFILE '${CLICKHOUSE_TMP}/test_into_outfile_and_stdout_compression.gz' AND STDOUT COMPRESSION 'GZ' FORMAT TabSeparated"