diff --git a/src/interfaces/ecpg/test/expected/pgtypeslib-nan_test.c b/src/interfaces/ecpg/test/expected/pgtypeslib-nan_test.c
index f42fea3a35..b698ccfb6e 100644
--- a/src/interfaces/ecpg/test/expected/pgtypeslib-nan_test.c
+++ b/src/interfaces/ecpg/test/expected/pgtypeslib-nan_test.c
@@ -66,7 +66,7 @@ if (sqlca.sqlcode < 0) sqlprint ( );}
 if (sqlca.sqlcode < 0) sqlprint ( );}
 #line 24 "nan_test.pgc"
 
-	{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into nantest1 ( id , d ) values ( 1 , 'nan' :: float8 ) , ( 2 , 'inf' :: float8 ) , ( 3 , '-inf' :: float8 )", ECPGt_EOIT, ECPGt_EORT);
+	{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into nantest1 ( id , d ) values ( 1 , 'nan' :: float8 ) , ( 2 , 'infinity' :: float8 ) , ( 3 , '-infinity' :: float8 )", ECPGt_EOIT, ECPGt_EORT);
 #line 25 "nan_test.pgc"
 
 if (sqlca.sqlcode < 0) sqlprint ( );}
diff --git a/src/interfaces/ecpg/test/expected/pgtypeslib-nan_test.stderr b/src/interfaces/ecpg/test/expected/pgtypeslib-nan_test.stderr
index cb87b53f76..279af67b94 100644
--- a/src/interfaces/ecpg/test/expected/pgtypeslib-nan_test.stderr
+++ b/src/interfaces/ecpg/test/expected/pgtypeslib-nan_test.stderr
@@ -8,7 +8,7 @@
 [NO_PID]: sqlca: code: 0, state: 00000
 [NO_PID]: ecpg_execute on line 24: OK: CREATE TABLE
 [NO_PID]: sqlca: code: 0, state: 00000
-[NO_PID]: ecpg_execute on line 25: query: insert into nantest1 ( id , d ) values ( 1 , 'nan' :: float8 ) , ( 2 , 'inf' :: float8 ) , ( 3 , '-inf' :: float8 ); with 0 parameter(s) on connection regress1
+[NO_PID]: ecpg_execute on line 25: query: insert into nantest1 ( id , d ) values ( 1 , 'nan' :: float8 ) , ( 2 , 'infinity' :: float8 ) , ( 3 , '-infinity' :: float8 ); with 0 parameter(s) on connection regress1
 [NO_PID]: sqlca: code: 0, state: 00000
 [NO_PID]: ecpg_execute on line 25: using PQexec
 [NO_PID]: sqlca: code: 0, state: 00000
diff --git a/src/interfaces/ecpg/test/pgtypeslib/nan_test.pgc b/src/interfaces/ecpg/test/pgtypeslib/nan_test.pgc
index d1793ef42d..597699099d 100644
--- a/src/interfaces/ecpg/test/pgtypeslib/nan_test.pgc
+++ b/src/interfaces/ecpg/test/pgtypeslib/nan_test.pgc
@@ -22,7 +22,7 @@ main(void)
 	exec sql connect to REGRESSDB1;
 
 	exec sql create table nantest1 (id int4, d float8);
-	exec sql insert into nantest1 (id, d) values (1, 'nan'::float8), (2, 'inf'::float8), (3, '-inf'::float8);
+	exec sql insert into nantest1 (id, d) values (1, 'nan'::float8), (2, 'infinity'::float8), (3, '-infinity'::float8);
 
 	exec sql declare cur cursor for select id, d, d from nantest1;
 	exec sql open cur;