1 files changed, 1 insertions, 1 deletions

diff --git a/src/state.h b/src/state.h
index 0e35e89..0e069da 100644
--- a/src/state.h
+++ b/src/state.h
@@ -3,7 +3,7 @@
 #include "macros_and_utils.h"
 
 // forwards
-struct Universe;
+class Universe;
 
 void serialize_require(DEBUGSPEW_PARAM_COMMA(Universe* U) lua_State* L);