diff --git a/apps/openmw/mwgui/review.hpp b/apps/openmw/mwgui/review.hpp
index 5d57aeb8b..f21f2fa9d 100644
--- a/apps/openmw/mwgui/review.hpp
+++ b/apps/openmw/mwgui/review.hpp
@@ -8,7 +8,7 @@
 
 namespace ESM
 {
-    class Spell;
+    struct Spell;
 }
 
 namespace MWGui