diff --git a/demos/demo_2_lasers_offline.cpp b/demos/demo_2_lasers_offline.cpp
index 8ec341798b6dc098dee0b298983d36f1e8bbb87e..dcaf0da1d28e1a681128e939fcc5423cdc4e89e9 100644
--- a/demos/demo_2_lasers_offline.cpp
+++ b/demos/demo_2_lasers_offline.cpp
@@ -31,8 +31,8 @@
 #include <queue>
 
 // Eigen includes
-#include <eigen3/Eigen/Dense>
-#include <eigen3/Eigen/Geometry>
+#include <Eigen/Dense>
+#include <Eigen/Geometry>
 
 //Ceres includes
 #include "glog/logging.h"
diff --git a/demos/demo_ceres_2_lasers.cpp b/demos/demo_ceres_2_lasers.cpp
index 05ec4631f9c20f4b0a3a0bc93400272d781c00db..9f2cced24f1d952b41343c2358947fe2fe6fba48 100644
--- a/demos/demo_ceres_2_lasers.cpp
+++ b/demos/demo_ceres_2_lasers.cpp
@@ -31,8 +31,8 @@
 #include <queue>
 
 // Eigen includes
-#include <eigen3/Eigen/Dense>
-#include <eigen3/Eigen/Geometry>
+#include <Eigen/Dense>
+#include <Eigen/Geometry>
 
 //Ceres includes
 #include "glog/logging.h"
diff --git a/demos/demo_ceres_2_lasers_polylines.cpp b/demos/demo_ceres_2_lasers_polylines.cpp
index 8dad5d18bace977ea250ec0664a8693b93620ffc..0632ad90a0562b258c4e20a93a17c7e019a8464c 100644
--- a/demos/demo_ceres_2_lasers_polylines.cpp
+++ b/demos/demo_ceres_2_lasers_polylines.cpp
@@ -31,8 +31,8 @@
 #include <queue>
 
 // Eigen includes
-#include <eigen3/Eigen/Dense>
-#include <eigen3/Eigen/Geometry>
+#include <Eigen/Dense>
+#include <Eigen/Geometry>
 
 //Ceres includes
 #include "glog/logging.h"