diff --git a/tests/_check_install_source.pm b/tests/_check_install_source.pm
index 6fa73379..cdabbd73 100644
--- a/tests/_check_install_source.pm
+++ b/tests/_check_install_source.pm
@@ -19,7 +19,8 @@ sub run {
     if ($repourl =~ s/^nfs://) {
         # the above both checks if we're dealing with an NFS URL, and
         # strips the 'nfs:' from it if so
-        assert_script_run "grep 'mounting ${repourl}' /tmp/packaging.log";
+        # message is in packaging.log up to F26, anaconda.log F27+
+        assert_script_run "grep 'mounting ${repourl}' /tmp/packaging.log /tmp/anaconda.log";
     }
     else {
         assert_script_run "grep \"added repo: 'anaconda'.*${repourl}\" /tmp/packaging.log";