diff --git a/interfaces/IWatermark.h b/interfaces/IWatermark.h
index c51ee77f..41096f20 100644
--- a/interfaces/IWatermark.h
+++ b/interfaces/IWatermark.h
@@ -36,6 +36,7 @@ namespace Exchange {
         virtual bool ShowWatermark(const bool show) = 0;
         virtual bool CreateWatermark(uint32_t id, uint32_t zorder) = 0;
         virtual bool UpdateWatermark(uint32_t id, uint32_t key, uint32_t size) = 0;
+        virtual bool PersistLoadWatermark(uint32_t id) = 0;
         virtual bool AdjustWatermark(uint32_t id, uint32_t zorder) = 0;
         virtual bool DeleteWatermark(uint32_t id) = 0;
         virtual PalettedImageData GetPalettedWatermark(uint32_t id) = 0;