diff --git a/pkg/local_object_storage/writecache/writecachebadger/mode.go b/pkg/local_object_storage/writecache/writecachebadger/mode.go
index 9a39fa41a..03d861831 100644
--- a/pkg/local_object_storage/writecache/writecachebadger/mode.go
+++ b/pkg/local_object_storage/writecache/writecachebadger/mode.go
@@ -22,6 +22,9 @@ func (c *cache) SetMode(m mode.Mode) error {
 		))
 	defer span.End()
 
+	c.modeMtx.Lock()
+	defer c.modeMtx.Unlock()
+
 	err := c.setMode(ctx, m)
 	if err == nil {
 		c.metrics.SetMode(m)
diff --git a/pkg/local_object_storage/writecache/writecachebbolt/mode.go b/pkg/local_object_storage/writecache/writecachebbolt/mode.go
index f7a9fffa3..b187996a1 100644
--- a/pkg/local_object_storage/writecache/writecachebbolt/mode.go
+++ b/pkg/local_object_storage/writecache/writecachebbolt/mode.go
@@ -22,6 +22,9 @@ func (c *cache) SetMode(m mode.Mode) error {
 		))
 	defer span.End()
 
+	c.modeMtx.Lock()
+	defer c.modeMtx.Unlock()
+
 	err := c.setMode(ctx, m)
 	if err == nil {
 		c.metrics.SetMode(m)