diff --git a/src/pl/plpgsql/src/plpgsql.h b/src/pl/plpgsql/src/plpgsql.h
index 140bf4baddbe73cf2c5fee3e8937a5312e0c0ce7..9821ea09f69fd6c30e68c56ad67bb86e96e1e173 100644
--- a/src/pl/plpgsql/src/plpgsql.h
+++ b/src/pl/plpgsql/src/plpgsql.h
@@ -975,7 +975,7 @@ extern PLpgSQL_rec *plpgsql_build_record(const char *refname, int lineno,
 extern int plpgsql_recognize_err_condition(const char *condname,
 								bool allow_sqlstate);
 extern PLpgSQL_condition *plpgsql_parse_err_condition(char *condname);
-extern void plpgsql_adddatum(PLpgSQL_datum *new);
+extern void plpgsql_adddatum(PLpgSQL_datum *newdatum);
 extern int	plpgsql_add_initdatums(int **varnos);
 extern void plpgsql_HashTableInit(void);
 
@@ -1003,7 +1003,7 @@ extern Oid plpgsql_exec_get_datum_type(PLpgSQL_execstate *estate,
 							PLpgSQL_datum *datum);
 extern void plpgsql_exec_get_datum_type_info(PLpgSQL_execstate *estate,
 								 PLpgSQL_datum *datum,
-								 Oid *typeid, int32 *typmod, Oid *collation);
+								 Oid *typeId, int32 *typMod, Oid *collation);
 
 /* ----------
  * Functions for namespace handling in pl_funcs.c