diff --git a/src/pdumper.c b/src/pdumper.c
index 8907d25cc13..f42d1777371 100644
--- a/src/pdumper.c
+++ b/src/pdumper.c
@@ -3213,7 +3213,7 @@ dump_object_for_offset (struct dump_context *ctx, Lisp_Object object)
 static dump_off
 dump_charset (struct dump_context *ctx, int cs_i)
 {
-#if CHECK_STRUCTS && !defined (HASH_charset_317C49E291)
+#if CHECK_STRUCTS && !defined (HASH_charset_E31F4B5D96)
 # error "charset changed. See CHECK_STRUCTS comment in config.h."
 #endif
   dump_align_output (ctx, alignof (struct charset));