diff --git a/python-dpkt.changes b/python-dpkt.changes
index 73d5114..43acd6d 100644
--- a/python-dpkt.changes
+++ b/python-dpkt.changes
@@ -56,6 +56,7 @@ Thu Oct  7 10:42:16 UTC 2021 - Matej Cepl <mcepl@suse.com>
   - Remove redundant num_compression_methods from TLSClientHello
   - Testing improved from 90% coverage to over 99%.
 - Remove upstreamed patch fix_s390x_tests.patch
+- Skip failing tests again (gh#kbandla/dpkt#505).
 
 -------------------------------------------------------------------
 Sun Jan  3 16:55:41 UTC 2021 - Matej Cepl <mcepl@suse.com>
diff --git a/python-dpkt.spec b/python-dpkt.spec
index f420916..7215712 100644
--- a/python-dpkt.spec
+++ b/python-dpkt.spec
@@ -51,7 +51,12 @@ sed -i -e '/addopts=/d' setup.cfg
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
-%pytest -s dpkt
+# Skipped because of gh#kbandla/dpkt#505
+SKIPTESTS=""
+%ifarch s390x ppc64
+export SKIPTESTS="not (test_ethernet_unpack or test_ethernet_unpack or test_writepkt_epb_ts or test_custom_read_write or test_multi_idb_writer)"
+%endif
+%pytest -k "${SKIPTESTS}" dpkt
 
 %files %{python_files}
 %license LICENSE