diff --git a/tools/Makefile b/tools/Makefile
index 06ba93d..d5ff450 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -37,10 +37,10 @@ distclean: clean
 	$(RM) -- $(TARGETS)
 
 install: $(TARGETS)
-	$(MKDIR) $(DESTDIR)$(PREFIX)/lib/AppWrapper
-	$(INSTALL) -m 0644 libVPN.so $(DESTDIR)$(PREFIX)/lib/AppWrapper/libVPN.so
+	$(MKDIR) $(DESTDIR)$(LIBDIR)/AppWrapper
+	$(INSTALL) -m 0644 libVPN.so $(DESTDIR)$(LIBDIR)/AppWrapper/libVPN.so
 
 uninstall:
-	$(RM) -- $(DESTDIR)$(PREFIX)/lib/AppWrapper/libVPN.so
+	$(RM) -- $(DESTDIR)$(LIBDIR)/AppWrapper/libVPN.so
 
 .PHONY: all clean distclean install uninstall
diff --git a/tools/project.conf b/tools/project.conf
index 63ee88e..ae0be34 100644
--- a/tools/project.conf
+++ b/tools/project.conf
@@ -9,7 +9,7 @@ dist=Makefile
 [libVPN]
 type=plugin
 sources=libvpn.c
-install=$(PREFIX)/lib/AppWrapper
+install=$(LIBDIR)/AppWrapper
 
 [libvpn.c]
 depends=../include/VPN.h,../src/common.c