diff --git a/tests/_check_install_source.pm b/tests/_check_install_source.pm
index 27c9f023..1b5fee28 100644
--- a/tests/_check_install_source.pm
+++ b/tests/_check_install_source.pm
@@ -23,19 +23,19 @@ sub run {
     if ($addrepourl) {
         if ($addrepourl =~ m,^nfs://,,) {
             # this line tells us it set up a repo for our URL.
-            # "repo addrepo" is older format from before Fedora 37,
-            # "Add the 'addrepo" is newer format from F37+
-            if (script_run 'grep "\(repo \|Add the \'\)addrepo.*' . ${addrepourl} . '" /tmp/packaging.log') {
-                # newer path from f39+: message is in syslog and look a bit different
-                assert_script_run 'grep "Add the \'addrepo.*file:///run/install/sources/mount-.000-nfs-device" /tmp/syslog';
-            }
+            assert_script_run 'grep "Add the \'addrepo.*file:///run/install/sources/mount-.000-nfs-device" /tmp/syslog';
             # ...this line tells us it added the repo called 'addrepo'
-            assert_script_run 'grep "Added the \'addrepo\'" /tmp/anaconda.log /tmp/syslog';
-            # ...and this tells us it worked (I hope).
-            assert_script_run 'grep "Load metadata for the \'addrepo\'" /tmp/anaconda.log /tmp/syslog';
-            # addrepo.nfs is from before Fedora 39, sources/mount-1000-nfs-device
-            # or mount-0000-nfs-device is from F39+
-            assert_script_run 'grep -E "Loaded metadata from.*file:///run/install/(addrepo.nfs|sources/mount-.000-nfs-device)" /tmp/anaconda.log /tmp/syslog';
+            assert_script_run 'grep "Added the \'addrepo\'" /tmp/syslog';
+            # ...and this tells us it worked (I hope). This is for dnf4
+            if (script_run 'grep "Load metadata for the \'addrepo\'" /tmp/syslog') {
+                # this is dnf5 - switched in F43, 2025-07
+                assert_script_run 'grep "Loading repomd and primary for repo .addrepo." /tmp/dnf.log';
+            }
+            # dnf4 again
+            if (script_run 'grep -E "Loaded metadata from.*file:///run/install/sources/mount-.000-nfs-device" /tmp/syslog') {
+                # dnf5
+                assert_script_run 'grep "Writing primary cache for repo .addrepo." /tmp/dnf.log';
+            }
         }
     }
     if ($repourl =~ /^hd:/) {
@@ -56,27 +56,19 @@ sub run {
         # there are only three hard problems in software development:
         # naming things, cache expiry, off-by-one errors...and quoting
         assert_script_run 'grep "Added the \'anaconda\'" /tmp/anaconda.log /tmp/syslog';
-        assert_script_run 'grep "Load metadata for the \'anaconda\'" /tmp/anaconda.log /tmp/syslog';
-        assert_script_run 'grep "Loaded metadata from.*' . ${repourl} . '" /tmp/anaconda.log /tmp/syslog';
+        if (script_run 'grep "Load metadata for the \'anaconda\'" /tmp/anaconda.log /tmp/syslog') {
+            # dnf5
+            assert_script_run 'grep "Loading repomd and primary for repo .anaconda." /tmp/dnf.log';
+        }
+        if (script_run 'grep "Loaded metadata from.*' . ${repourl} . '" /tmp/anaconda.log /tmp/syslog') {
+            assert_script_run 'grep "Writing primary cache for repo .anaconda." /tmp/dnf.log';
+        }
     }
-    if ($repourl) {
-        # check we don't have an error indicating our repo wasn't used.
-        # we except error with 'cdrom/file' in it because this error:
-        # base repo (cdrom/file:///run/install/repo) not valid -- removing it
-        # *always* happens when booting a netinst (that's just anaconda
-        # trying to use the image itself as a repo and failing because it's
-        # not a DVD), and this was causing false failures when running
-        # universal tests on netinsts
-        assert_script_run '! grep "base repo.*not valid" /tmp/packaging.log | grep -v "cdrom/file"';
-        # above form is before 3b5f8f4a61 , below form is after it; we
-        # don't seem to get the error for the cdrom repo on netinsts as
-        # of Fedora-Rawhide-20230414.n.0 at least. I'm not 100% sure
-        # where this message would wind up, so check everywhere
-        assert_script_run '! grep "base repository is invalid" /tmp/packaging.log /tmp/anaconda.log /tmp/syslog';
-    }
-    # just for convenience - sometimes it's useful to see this log
+    # just for convenience - sometimes it's useful to see these logs
     # for a success case
     upload_logs "/tmp/packaging.log", failok => 1;
+    upload_logs "/tmp/dnf.log", failok => 1;
+    upload_logs "/tmp/syslog", failok => 1;
     select_console "tty6-console";
 
     # Anaconda hub