diff --git a/docs/Makefile.am b/docs/Makefile.am
index 861a2ca4..5e222564 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -1,3 +1,5 @@
+docdir = $(datadir)/doc/irssi
+
 man_MANS = \
 	irssi.1