diff --git a/Makefile.am b/Makefile.am
index fc6b7bf..7deb43a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -51,7 +51,8 @@
 # default.supp, as it is built from the base .supp files at compile-time.
 dist_noinst_DATA = $(SUPP_FILES)
 
-pkglib_DATA = default.supp
+vglibdir = $(pkglibdir)
+vglib_DATA = default.supp
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = valgrind.pc