diff --git a/apps/tridecimator/tridecimator.pro b/apps/tridecimator/tridecimator.pro
index e410f4f3..3c7db7c3 100644
--- a/apps/tridecimator/tridecimator.pro
+++ b/apps/tridecimator/tridecimator.pro
@@ -1,7 +1,7 @@
 
 TARGET = tridecimator
 DEPENDPATH += ../..
-INCLUDEPATH += . ../..
+INCLUDEPATH += . ../.. ../../eigenlib
 CONFIG += console stl  c++11 debug_and_release
 TEMPLATE = app
 HEADERS +=