1 files changed, 1 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index 700c33f224..f605445604 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -333,6 +333,7 @@ struct rb_vm_struct
     int src_encoding_index;
 
     VALUE verbose, debug, progname;
+    VALUE coverages;
 
 #if defined(ENABLE_VM_OBJSPACE) && ENABLE_VM_OBJSPACE
     struct rb_objspace *objspace;