diff --git a/include/hamlib/Makefile.am b/include/hamlib/Makefile.am
index d471e80f8..fe9ed8b76 100644
--- a/include/hamlib/Makefile.am
+++ b/include/hamlib/Makefile.am
@@ -1 +1,2 @@
+includedir = @includedir@/hamlib
 include_HEADERS = rig.h riglist.h rig_dll.h rigclass.h