diff -up ./docs/Makefile.am.destdir ./docs/Makefile.am
--- ./docs/Makefile.am.destdir	2010-10-08 18:51:41.000000000 +0200
+++ ./docs/Makefile.am	2011-02-22 15:40:57.229350908 +0100
@@ -6,7 +6,7 @@ SUBDIRS= gallery
 # is very small, and should probably be documented in a tutorial.
 #
 
-gtkdochtmldir = $(DESTDIR)$(datadir)/gtk-doc/html/gegl
+gtkdochtmldir = $(datadir)/gtk-doc/html/gegl
 
 HTML_FILES = \
 	operations.html		\