diff -U3 /home/postgres/pgsql/src/interfaces/ecpg/test/expected/connect-test5.stderr /home/postgres/pgsql/src/interfaces/ecpg/test/results/connect-test5.stderr
--- /home/postgres/pgsql/src/interfaces/ecpg/test/expected/connect-test5.stderr 2020-08-04 14:59:45.617380050 -0400
+++ /home/postgres/pgsql/src/interfaces/ecpg/test/results/connect-test5.stderr  2021-01-10 16:12:22.539433702 -0500
@@ -36,7 +36,7 @@
 [NO_PID]: sqlca: code: 0, state: 00000
 [NO_PID]: ECPGconnect: opening database <DEFAULT> on <DEFAULT> port <DEFAULT>  for user regress_ecpg_user2
 [NO_PID]: sqlca: code: 0, state: 00000
-[NO_PID]: ECPGconnect: could not open database: FATAL:  database "regress_ecpg_user2" does not exist
+[NO_PID]: ECPGconnect: could not open database: could not connect to socket "/tmp/pg_regress-EbHubF/.s.PGSQL.58080": FATAL:  database "regress_ecpg_user2" does not exist
 
 [NO_PID]: sqlca: code: 0, state: 00000
 [NO_PID]: ecpg_finish: connection main closed
@@ -73,7 +73,7 @@
 [NO_PID]: sqlca: code: -220, state: 08003
 [NO_PID]: ECPGconnect: opening database <DEFAULT> on <DEFAULT> port <DEFAULT>  for user regress_ecpg_user2
 [NO_PID]: sqlca: code: 0, state: 00000
-[NO_PID]: ECPGconnect: could not open database: FATAL:  database "regress_ecpg_user2" does not exist
+[NO_PID]: ECPGconnect: could not open database: could not connect to socket "/tmp/pg_regress-EbHubF/.s.PGSQL.58080": FATAL:  database "regress_ecpg_user2" does not exist
 
 [NO_PID]: sqlca: code: 0, state: 00000
 [NO_PID]: ecpg_finish: connection main closed