diff --git a/systemd.spec b/systemd.spec
index 30bf9a8..92faf61 100644
--- a/systemd.spec
+++ b/systemd.spec
@@ -782,7 +782,11 @@ export CFLAGS="%{optflags} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2"
         -Doomd=%{when experimental} \
         -Drepart=%{when experimental} \
         -Dsysupdate=%{when experimental} \
+%if %{with sd_boot}
         -Dukify=%{when experimental} \
+%else
+        -Dukify=no \
+%endif
         \
         -Dtests=%{when testsuite unsafe} \
         -Dinstall-tests=%{when testsuite}