diff --git a/make/projects-dir.mk b/make/projects-dir.mk
index 04d1bc96..10616236 100644
--- a/make/projects-dir.mk
+++ b/make/projects-dir.mk
@@ -155,8 +155,8 @@ config.done: cvs-update.done
 	touch $@
 
 links.done:
-	ln -sf btools dspider-btools
-	ln -sf dspc/src/shared dspider-shared
+	if [ -d btools ]; then ln -sf btools dspider-btools; fi
+	if [ -d dspc/src/shared ]; then ln -sf dspc/src/shared dspider-shared; fi
 	touch $@
 
 cvsdir.done: