diff --git a/HISTORY b/HISTORY
index 2e7d906b..681028a8 100644
--- a/HISTORY
+++ b/HISTORY
@@ -21,6 +21,7 @@ SnapRAID HISTORY
    --test-io-advise-discard discard cache after every operation (Linux)
    --test-io-advise-discard-window discard cache every 8 MB (Linux)
    --test-io-advise-direct use direct/unbuffered mode (Linux/Windows)
+   The default mode is 'flush' in Linux and 'sequential' in Windows.
  * Fixed running in Windows platforms that miss the RtlGenRandom
    function.
  * Added a new 'hashsize' configuration option. It could be useful in
diff --git a/cmdline/state.c b/cmdline/state.c
index 102cc31d..b091cffb 100644
--- a/cmdline/state.c
+++ b/cmdline/state.c
@@ -537,7 +537,7 @@ void state_config(struct snapraid_state* state, const char* path, const char* co
 		state->file_mode = state->opt.file_mode;
 	} else {
 		/* default mode, if nothing is specified */
-		state->file_mode = ADVISE_SEQUENTIAL;
+		state->file_mode = ADVISE_FLUSH;
 	}
 
 	/* store current command */