Index: plugins/scenegraph/Makefile.am
===================================================================
--- plugins/scenegraph/Makefile.am	(revision 5153)
+++ plugins/scenegraph/Makefile.am	(working copy)
@@ -3,7 +3,8 @@
 modulesdir = $(pkglibdir)/modules
 modules_LTLIBRARIES = scenegraph.la
 
-scenegraph_la_LIBADD = $(top_builddir)/libs/scene/libscenegraph.la
+scenegraph_la_LIBADD = $(top_builddir)/libs/math/libmath.la \
+				    $(top_builddir)/libs/scene/libscenegraph.la
 scenegraph_la_LDFLAGS = -module -avoid-version
 scenegraph_la_SOURCES = SceneGraph.cpp \
 						Octree.cpp
