diff --git a/glib/tests/mappedfile.c b/glib/tests/mappedfile.c
index 8d5258d33..ac25fc2dc 100644
--- a/glib/tests/mappedfile.c
+++ b/glib/tests/mappedfile.c
@@ -50,7 +50,8 @@ test_device (void)
   GMappedFile *file;
 
   file = g_mapped_file_new ("/dev/null", FALSE, &error);
-  g_assert_error (error, G_FILE_ERROR, G_FILE_ERROR_INVAL);
+  g_assert (g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_INVAL) ||
+            g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_NOMEM));
   g_assert (file == NULL);
   g_error_free (error);
 }