diff --git a/pkg/worker/caged/libretro/nanoarch/nanoarch.go b/pkg/worker/caged/libretro/nanoarch/nanoarch.go
index 1aca8506..1f32af3a 100644
--- a/pkg/worker/caged/libretro/nanoarch/nanoarch.go
+++ b/pkg/worker/caged/libretro/nanoarch/nanoarch.go
@@ -518,7 +518,7 @@ func RestoreSaveState(st State) error {
 		return errors.New("empty load state")
 	}
 
-	size := C.bridge_retro_serialize_size(retroSerializeSize)
+	size := C.size_t(len(st))
 	rez := false
 
 	if Nan0.LibCo {