diff --git a/plugin/Makefile.am b/plugin/Makefile.am
index ff1536e..2ccffe6 100644
--- a/plugin/Makefile.am
+++ b/plugin/Makefile.am
@@ -26,7 +26,7 @@ virt-viewer-plugin.so: virt-viewer-plugin.la
# Only leave the .so file in the plugins directory.
install-data-hook:
- rm -f $(plugindir)/virt-viewer-plugin.a $(plugindir)/virt-viewer-plugin.la
+ rm -f $(DESTDIR)$(plugindir)/virt-viewer-plugin.a $(DESTDIR)$(plugindir)/virt-viewer-plugin.la
CLEANFILES = virt-viewer-plugin.so