diff --git a/doc/Makefile.am b/doc/Makefile.am
index 4954972c47ba8fa7bd4b85826df8d87ad960fb5f..4aedb150135d0a5ab575d3a1334622557d55f585 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,3 +1,5 @@
+docdir = $(datadir)/doc/$(PACKAGE)
+
 SUBDIRS = examples
 dist_doc_DATA = \
   hooks.html hooks.pdf \