diff --git a/filesystem/makefile b/filesystem/makefile
index ffc280d..db59c62 100644
--- a/filesystem/makefile
+++ b/filesystem/makefile
@@ -47,7 +47,7 @@ pbuilder_update: $(PBUILDER_CHROOT)
 
 ### REAL TARGETS
 
-$(PACKAGES_BUILT): $(PRAWNOS_BUILD)
+$(PACKAGES_BUILT): $(PRAWNOS_BUILD) $(PBUILDER_CHROOT)
 	$(MAKE) -C $(PRAWNOS_FILESYSTEM_PACKAGES) all
 	touch $(PACKAGES_BUILT)