diff --git a/src/mapnode.h b/src/mapnode.h
index 484ad4e..389fa1c 100644
--- a/src/mapnode.h
+++ b/src/mapnode.h
@@ -96,7 +96,7 @@ enum LiquidType
 	LIQUID_SOURCE
 };
 
-class MapNode;
+struct MapNode;
 class NodeMetadata;
 
 struct ContentFeatures