1 files changed, 2 insertions, 2 deletions
diff --git a/src/emerge.h b/src/emerge.h
index fdca93c06..b42e82d38 100644
--- a/src/emerge.h
+++ b/src/emerge.h
@@ -31,8 +31,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	infostream << "EmergeThread: " x << std::endl; }
 
 class Mapgen;
-class MapgenParams;
-class MapgenFactory;
+struct MapgenParams;
+struct MapgenFactory;
 class Biome;
 class BiomeDefManager;
 class EmergeThread;