1 files changed, 4 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index 72b1af05..a01ce794 100644
--- a/gc.c
+++ b/gc.c
@@ -209,6 +209,9 @@ static void finalize(val obj)
     return;
   case ENV:
     return;
+  case BGNUM:
+    mp_clear(mp(obj));
+    return;
   }
 
   assert (0 && "corrupt type field");
@@ -262,6 +265,7 @@ tail_call:
   case CHR:
   case NUM:
   case LIT:
+  case BGNUM:
     return;
   case SYM:
     mark_obj(obj->s.name);