diff --git a/tests/desktop_login.pm b/tests/desktop_login.pm
index fa0a35dd..fa48e451 100644
--- a/tests/desktop_login.pm
+++ b/tests/desktop_login.pm
@@ -179,7 +179,11 @@ sub run {
     $self->root_console(tty => 3);
     assert_script_run "dnf -y install GraphicsMagick", 300;
     assert_script_run "gm convert -size 1024x768 xc:black /usr/share/backgrounds/black.png";
-    assert_script_run 'for i in /usr/share/backgrounds/f*/default/*.png; do ln -sf /usr/share/backgrounds/black.png $i; done';
+    assert_script_run "gm convert -size 1024x768 xc:black /usr/share/backgrounds/black.webp";
+     if (script_run 'for i in /usr/share/backgrounds/f*/default/*.png; do ln -sf /usr/share/backgrounds/black.png $i; done') {
+        # if that failed, they're probably in webp format
+        assert_script_run 'for i in /usr/share/backgrounds/f*/default/*.webp; do ln -sf /usr/share/backgrounds/black.webp $i; done'
+    }
     if ($desktop eq "kde") {
         # use solid blue background for SDDM
         assert_script_run "sed -i -e 's,image,solid,g' /usr/share/sddm/themes/01-breeze-fedora/theme.conf.user";