diff --git a/src/backend/utils/adt/formatting.c b/src/backend/utils/adt/formatting.c
index ef21b7e426..63e773c4c1 100644
--- a/src/backend/utils/adt/formatting.c
+++ b/src/backend/utils/adt/formatting.c
@@ -2539,17 +2539,11 @@ from_char_seq_search(int *dest, const char **src, const char *const *array,
 
 	if (len <= 0)
 	{
-		char		copy[DCH_MAX_ITEM_SIZ + 1];
-
-		/* Use multibyte-aware truncation to avoid generating a bogus string */
-		max = pg_mbcliplen(*src, strlen(*src), max);
-		strlcpy(copy, *src, max + 1);
-
 		RETURN_ERROR(ereport(ERROR,
 							 (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
 							  errmsg("invalid value \"%s\" for \"%s\"",
-									 copy, node->key->name),
-							  errdetail("The given value did not match any of "
+									 *src, node->key->name),
+							  errdetail("The remaining value did not match any of "
 										"the allowed values for this field."))));
 	}
 	*src += len;