diff --git a/src/interfaces/ecpg/test/connect/test1.pgc b/src/interfaces/ecpg/test/connect/test1.pgc
index 3b478ba6472..ba93e1d636f 100644
--- a/src/interfaces/ecpg/test/connect/test1.pgc
+++ b/src/interfaces/ecpg/test/connect/test1.pgc
@@ -54,7 +54,7 @@ exec sql end declare section;
 	exec sql disconnect;
 
 	/* wrong port */
-	exec sql connect to tcp:postgresql://localhost:20/connectdb user connectuser identified by connectpw;
+	exec sql connect to tcp:postgresql://127.0.0.1:20/connectdb user connectuser identified by connectpw;
 	/* no disconnect necessary */
 
 	/* wrong password */
diff --git a/src/interfaces/ecpg/test/expected/connect-test1.c b/src/interfaces/ecpg/test/expected/connect-test1.c
index fe000302b03..a5128600b28 100644
--- a/src/interfaces/ecpg/test/expected/connect-test1.c
+++ b/src/interfaces/ecpg/test/expected/connect-test1.c
@@ -109,7 +109,7 @@ main(void)
 
 
 	/* wrong port */
-	{ ECPGconnect(__LINE__, 0, "tcp:postgresql://localhost:20/connectdb" , "connectuser" , "connectpw" , NULL, 0); }
+	{ ECPGconnect(__LINE__, 0, "tcp:postgresql://127.0.0.1:20/connectdb" , "connectuser" , "connectpw" , NULL, 0); }
 #line 57 "test1.pgc"
 
 	/* no disconnect necessary */
diff --git a/src/interfaces/ecpg/test/expected/connect-test1.stderr b/src/interfaces/ecpg/test/expected/connect-test1.stderr
index e755a0a3458..8af57ab32c3 100644
--- a/src/interfaces/ecpg/test/expected/connect-test1.stderr
+++ b/src/interfaces/ecpg/test/expected/connect-test1.stderr
@@ -49,10 +49,10 @@
 [NO_PID]: sqlca: code: -402, state: 08001
 [NO_PID]: raising sqlcode -220 on line 54: connection "CURRENT" does not exist on line 54
 [NO_PID]: sqlca: code: -220, state: 08003
-[NO_PID]: ECPGconnect: opening database connectdb on localhost port <REGRESSION_PORT>  for user connectuser
+[NO_PID]: ECPGconnect: opening database connectdb on 127.0.0.1 port <REGRESSION_PORT>  for user connectuser
 [NO_PID]: sqlca: code: 0, state: 00000
 [NO_PID]: ECPGconnect: could not open database: could not connect to server: Connection refused
-	Is the server running on host "localhost" (127.0.0.1) and accepting
+	Is the server running on host "127.0.0.1" and accepting
 	TCP/IP connections on port 20?
 
 [NO_PID]: sqlca: code: 0, state: 00000