diff -up deja-dup-17.5/configure.ac.nautilus deja-dup-17.5/configure.ac
--- deja-dup-17.5/configure.ac.nautilus	2011-02-02 10:52:24.971535319 -0500
+++ deja-dup-17.5/configure.ac	2011-02-02 10:52:32.530440815 -0500
@@ -152,7 +152,7 @@ AS_IF([test "x$with_nautilus" != xno],
     [AC_SUBST(NAUTILUS_CFLAGS)
      AC_SUBST(NAUTILUS_LIBS)]
      dnl Get nautilus extensions directory
-     NAUTILUS_EXTENSION_DIR="${libdir}/nautilus/extensions-2.0"
+     NAUTILUS_EXTENSION_DIR="${libdir}/nautilus/extensions-3.0"
      AC_SUBST(NAUTILUS_EXTENSION_DIR),
     [if test "x$with_nautilus" != xcheck; then
         AC_MSG_FAILURE(