diff --git a/src/pdumper.c b/src/pdumper.c
index 60280fcb043..f4e8e4af28a 100644
--- a/src/pdumper.c
+++ b/src/pdumper.c
@@ -2948,7 +2948,7 @@ dump_vectorlike (struct dump_context *ctx,
                  Lisp_Object lv,
                  dump_off offset)
 {
-#if CHECK_STRUCTS && !defined HASH_pvec_type_19F6CF5169
+#if CHECK_STRUCTS && !defined HASH_pvec_type_AFF6FED5BD
 # error "pvec_type changed. See CHECK_STRUCTS comment in config.h."
 #endif
   const struct Lisp_Vector *v = XVECTOR (lv);
@@ -3032,6 +3032,8 @@ dump_vectorlike (struct dump_context *ctx,
       error_unsupported_dump_object (ctx, lv, "sqlite");
     case PVEC_MODULE_FUNCTION:
       error_unsupported_dump_object (ctx, lv, "module function");
+    case PVEC_SYMBOL_WITH_POS:
+      error_unsupported_dump_object (ctx, lv, "symbol with pos");
     default:
       error_unsupported_dump_object(ctx, lv, "weird pseudovector");
     }