diff -Nru PackageKit-1.1.6.orig/backends/yum/yumBackend.py PackageKit-1.1.6/backends/yum/yumBackend.py
--- PackageKit-1.1.6.orig/backends/yum/yumBackend.py	2016-09-02 10:05:30.000000000 +0200
+++ PackageKit-1.1.6/backends/yum/yumBackend.py	2017-11-15 02:28:33.226701894 +0100
@@ -1710,7 +1710,7 @@
 
         if hasattr(self.yumbase, "_override_sigchecks"):
             # _override_sigchecks logic is reversed
-            override_sigchecks = not only_trusted
+            override_sigchecks = 1
 
             self.yumbase._override_sigchecks = override_sigchecks