diff --git a/app/cmScore.h b/app/cmScore.h
index 1a170e4..3d7f1f7 100644
--- a/app/cmScore.h
+++ b/app/cmScore.h
@@ -50,6 +50,7 @@ extern "C" {
   // cmScoreSection_t.vars[].
   enum
   {
+    kInvalidVarScId,
     kEvenVarScId,
     kDynVarScId,
     kTempoVarScId,