--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -51,8 +51,8 @@
 		$(OBJC_LIBS) \
 		$(FLEX_LIBS)
 
-INSTALL_LIB=		$(INSTALL) -m 755
-PLUGIN_INSTALL_DIR=	$(DESTDIR)$(libdir)
+INSTALL_LIB=		$(INSTALL) -m 755 -D
+PLUGIN_INSTALL_DIR=	$(DESTDIR)$(libdir)/openvpn/plugins
 
 all:: $(PLUGIN_FILE) $(AUTH_LIB) testplugin