diff --git a/resources/3rdparty/eigen/Eigen/src/Core/Ref.h b/resources/3rdparty/eigen/Eigen/src/Core/Ref.h
index 9c409eecf..e106bd59f 100644
--- a/resources/3rdparty/eigen/Eigen/src/Core/Ref.h
+++ b/resources/3rdparty/eigen/Eigen/src/Core/Ref.h
@@ -10,7 +10,7 @@
 #ifndef EIGEN_REF_H
 #define EIGEN_REF_H
 
-namespace Eigen { 
+namespace Eigen {
 
 template<typename Derived> class RefBase;
 template<typename PlainObjectType, int Options = 0,