diff --git a/include/game_state.h b/include/game_state.h
index 43b6b1f..39ff84a 100644
--- a/include/game_state.h
+++ b/include/game_state.h
@@ -115,7 +115,7 @@ namespace Hanabi {
         static constexpr Card t5 = {5, 0};
         static constexpr Card unknown = {std::numeric_limits<suit_t>::max(), 0};
         static constexpr Card trash = {std::numeric_limits<suit_t>::max(), 1};
-    };
+    }
 }
 
 namespace std {