diff --git a/tests/sanity/fake_cloud_provider.go b/tests/sanity/fake_cloud_provider.go
index b408607a47..ad7cb28b1d 100644
--- a/tests/sanity/fake_cloud_provider.go
+++ b/tests/sanity/fake_cloud_provider.go
@@ -174,6 +174,6 @@ func (c *fakeCloudProvider) GetSnapshotByName(ctx context.Context, name string)
 	return snapshots[0].Snapshot, nil
 }
 
-func (c *FakeCloudProvider) ResizeDisk(ctx context.Context, volumeID string, newSize int64) (int64, error) {
+func (c *fakeCloudProvider) ResizeDisk(ctx context.Context, volumeID string, newSize int64) (int64, error) {
 	return 0, nil
 }