diff --git a/disksync.go b/disksync.go
index 1779c96..de58815 100644
--- a/disksync.go
+++ b/disksync.go
@@ -399,6 +399,10 @@ func (a *Account) writeWallet(dir string) error {
 		return err
 	}
 
+	if err := tmpfile.Sync(); err != nil {
+		return err
+	}
+
 	tmppath := tmpfile.Name()
 	if err := tmpfile.Close(); err != nil {
 		log.Warnf("Cannot close temporary wallet file: %v", err)
@@ -419,6 +423,10 @@ func (a *Account) writeTxStore(dir string) error {
 		return err
 	}
 
+	if err := tmpfile.Sync(); err != nil {
+		return err
+	}
+
 	tmppath := tmpfile.Name()
 	if err := tmpfile.Close(); err != nil {
 		log.Warnf("Cannot close temporary txstore file: %v", err)