diff --git a/glib/tests/regex.c b/glib/tests/regex.c
index 09083a35b..777616af9 100644
--- a/glib/tests/regex.c
+++ b/glib/tests/regex.c
@@ -2261,7 +2261,14 @@ main (int argc, char *argv[])
   TEST_NEW_FAIL ("^(?(0)f|b)oo", 0, G_REGEX_ERROR_INVALID_CONDITION);
   TEST_NEW_FAIL ("(?<=\\C)X", 0, G_REGEX_ERROR_SINGLE_BYTE_MATCH_IN_LOOKBEHIND);
   TEST_NEW_FAIL ("(?!\\w)(?R)", 0, G_REGEX_ERROR_INFINITE_LOOP);
+#if PCRE_MAJOR > 8 || (PCRE_MAJOR == 8 && PCRE_MINOR >= 38)
+  /* The expected errors changed here. */
+  TEST_NEW_FAIL ("(?P<sub>foo)\\g<sub", 0, G_REGEX_ERROR_MISSING_SUBPATTERN_NAME_TERMINATOR);
+  TEST_NEW_FAIL ("(?(?<ab))", 0, G_REGEX_ERROR_ASSERTION_EXPECTED);
+#else
+  TEST_NEW_FAIL ("(?P<sub>foo)\\g<sub", 0, G_REGEX_ERROR_MISSING_BACK_REFERENCE);
   TEST_NEW_FAIL ("(?(?<ab))", 0, G_REGEX_ERROR_MISSING_SUBPATTERN_NAME_TERMINATOR);
+#endif
   TEST_NEW_FAIL ("(?P<x>eks)(?P<x>eccs)", 0, G_REGEX_ERROR_DUPLICATE_SUBPATTERN_NAME);
 #if 0
   TEST_NEW_FAIL (?, 0, G_REGEX_ERROR_MALFORMED_PROPERTY);