diff --git a/diffoscope.changes b/diffoscope.changes
index b6e91a3..faf5b7a 100644
--- a/diffoscope.changes
+++ b/diffoscope.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Mar 12 08:03:39 UTC 2021 - Sebastian Wagner <sebix+novell.com@sebix.at>
+
+- Disable failing tests explicitly instead of ignoring the exit code.
+
 -------------------------------------------------------------------
 Sat Feb 27 15:00:17 UTC 2021 - Sebastian Wagner <sebix+novell.com@sebix.at>
 
diff --git a/diffoscope.spec b/diffoscope.spec
index 30ec532..b900ebc 100644
--- a/diffoscope.spec
+++ b/diffoscope.spec
@@ -134,8 +134,10 @@ if [ "$1" = 0 ] ; then
 fi
 
 %check
-# 3 tests fail 177 skipped due to missing tools, needs more investigation
-py.test-%{python3_bin_suffix} -v || :
+# test_difference: https://bugzilla.opensuse.org/show_bug.cgi?id=1183143 (https://salsa.debian.org/reproducible-builds/diffoscope/-/issues/243)
+# test_libmix_differences https://salsa.debian.org/reproducible-builds/diffoscope/-/issues/244#note_231513
+# test_identification https://salsa.debian.org/reproducible-builds/diffoscope/-/issues/98
+py.test-%{python3_bin_suffix} -k 'not test_difference and not test_identification and not test_libmix_differences'
 
 %files
 %doc README.rst