diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h
index 38b6027..fff7104 100644
--- a/src/include/storage/bufmgr.h
+++ b/src/include/storage/bufmgr.h
@@ -60,7 +60,7 @@ extern PGDLLIMPORT int NBuffers;
 /* FIXME: Also default to on for mmap && msync(MS_ASYNC)? */
 #ifdef HAVE_SYNC_FILE_RANGE
 #define DEFAULT_CHECKPOINT_FLUSH_AFTER 32
-#define DEFAULT_BACKEND_FLUSH_AFTER 16
+#define DEFAULT_BACKEND_FLUSH_AFTER 0
 #define DEFAULT_BGWRITER_FLUSH_AFTER 64
 #else
 #define DEFAULT_CHECKPOINT_FLUSH_AFTER 0