diff -Nru colord-1.4.5/debian/changelog colord-1.4.5/debian/changelog
--- colord-1.4.5/debian/changelog	2020-11-11 06:29:01.000000000 +0000
+++ colord-1.4.5/debian/changelog	2020-11-12 04:32:51.000000000 +0000
@@ -1,3 +1,11 @@
+colord (1.4.5-3) unstable; urgency=medium
+
+  * debian/rules:
+    - Don't run the tests on big endian systems; some of them are known to
+      fail. Fixes FTBFS on s390x
+
+ -- Christopher James Halse Rogers <raof@ubuntu.com>  Thu, 12 Nov 2020 15:32:51 +1100
+
 colord (1.4.5-2) unstable; urgency=medium
 
   * debian/patches/fix-float-comparison-in-tests.patch:
diff -Nru colord-1.4.5/debian/rules colord-1.4.5/debian/rules
--- colord-1.4.5/debian/rules	2020-11-11 06:29:01.000000000 +0000
+++ colord-1.4.5/debian/rules	2020-11-12 04:32:51.000000000 +0000
@@ -51,5 +51,14 @@
 override_dh_makeshlibs:
 	dh_makeshlibs -Xcolord-sensors -Xcolord-plugins -- -c4
 
+
+override_dh_auto_test:
+ifeq ($(DEB_HOST_ARCH_ENDIAN),little)
+	dh_auto_test
+else
+	echo "Skipping tests; known broken on big endian systems"
+endif
+
+
 %:
 	dh $@ --builddirectory=$(BUILD_DIR) --with gir $(BUILD_PACKAGES)