diff --git a/src/structs.h b/src/structs.h
index a1a94b0..209067b 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -1099,6 +1099,7 @@
     int		estate_did_throw;
     int		estate_need_rethrow;
     int		estate_trylevel;
+    int		estate_did_emsg;
 };
 
 #ifdef FEAT_SYN_HL