diff --git a/mkosi.default.d/10-systemd.conf b/mkosi.default.d/10-systemd.conf
index 1c69dc46e0..d1f00c2d5d 100644
--- a/mkosi.default.d/10-systemd.conf
+++ b/mkosi.default.d/10-systemd.conf
@@ -59,6 +59,7 @@ BuildPackages=
 QemuHeadless=yes
 Netdev=yes
 QemuMem=2G
+ExtraSearchPaths=build/
 
 [Validation]
 Password=