diff --git a/debian/changelog b/debian/changelog
index 50e7d9197..fc2fc508c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -49,6 +49,7 @@ linux (4.16-1~exp1) UNRELEASED; urgency=medium
   * debian/lib/python/debian_linux/debian.py: Close changelog after parsing
   * debian/lib/python/debian_linux/debian.py: Allow parsing any file as
     changelog
+  * debian/rules.d/tools/lib/lockdep/Makefile: Fix repeated 'make install'
 
  -- Roger Shimizu <rogershimizu@gmail.com>  Fri, 23 Mar 2018 21:10:34 +0900
 
diff --git a/debian/rules.d/tools/lib/lockdep/Makefile b/debian/rules.d/tools/lib/lockdep/Makefile
index 47409087d..9b66ecb9a 100644
--- a/debian/rules.d/tools/lib/lockdep/Makefile
+++ b/debian/rules.d/tools/lib/lockdep/Makefile
@@ -19,5 +19,5 @@ install:
 	$(MAKE_LOCKDEP) install
 	mkdir -p $(DESTDIR)/usr/include
 	cp -R $(top_srcdir)/$(OUTDIR)/include/liblockdep $(DESTDIR)/usr/include/
-	ln -s liblockdep.so.$(VERSION) \
+	ln -sf liblockdep.so.$(VERSION) \
 		$(DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/liblockdep.so