diff --git a/glib/tests/hostutils.c b/glib/tests/hostutils.c
index d694e626c..78664376e 100644
--- a/glib/tests/hostutils.c
+++ b/glib/tests/hostutils.c
@@ -81,7 +81,7 @@ test_to_ascii (void)
 
   for (i = 0; i < num_idn_test_domains; i++)
     {
-      g_assert (g_hostname_is_non_ascii (idn_test_domains[i].unicode_name));
+      g_assert_true (g_hostname_is_non_ascii (idn_test_domains[i].unicode_name));
       ascii = g_hostname_to_ascii (idn_test_domains[i].unicode_name);
       g_assert_cmpstr (idn_test_domains[i].ascii_name, ==, ascii);
       g_free (ascii);
@@ -94,14 +94,14 @@ test_to_ascii (void)
   for (i = 0; i < num_non_round_trip_names; i++)
     {
       if (non_round_trip_names[i].orig_is_unicode)
-	g_assert (g_hostname_is_non_ascii (non_round_trip_names[i].orig_name));
+        g_assert_true (g_hostname_is_non_ascii (non_round_trip_names[i].orig_name));
       else
-	g_assert (!g_hostname_is_non_ascii (non_round_trip_names[i].orig_name));
+        g_assert_true (!g_hostname_is_non_ascii (non_round_trip_names[i].orig_name));
 
       if (non_round_trip_names[i].ascii_is_encoded)
-	g_assert (g_hostname_is_ascii_encoded (non_round_trip_names[i].ascii_name));
+        g_assert_true (g_hostname_is_ascii_encoded (non_round_trip_names[i].ascii_name));
       else
-	g_assert (!g_hostname_is_ascii_encoded (non_round_trip_names[i].ascii_name));
+        g_assert_true (!g_hostname_is_ascii_encoded (non_round_trip_names[i].ascii_name));
 
       ascii = g_hostname_to_ascii (non_round_trip_names[i].orig_name);
       g_assert_cmpstr (non_round_trip_names[i].ascii_name, ==, ascii);
@@ -127,7 +127,7 @@ test_to_unicode (void)
 
   for (i = 0; i < num_idn_test_domains; i++)
     {
-      g_assert (g_hostname_is_ascii_encoded (idn_test_domains[i].ascii_name));
+      g_assert_true (g_hostname_is_ascii_encoded (idn_test_domains[i].ascii_name));
       unicode = g_hostname_to_unicode (idn_test_domains[i].ascii_name);
       g_assert_cmpstr (idn_test_domains[i].unicode_name, ==, unicode);
       g_free (unicode);