diff --git a/MathLib/VectorizedTensor.cpp b/MathLib/VectorizedTensor.cpp
index c760468bee76ffd70aab9cd9ad362d8db99f85b9..788d6492b07a996bfb5f04d8ed831891a83ba9b1 100644
--- a/MathLib/VectorizedTensor.cpp
+++ b/MathLib/VectorizedTensor.cpp
@@ -9,7 +9,7 @@
 
 #include "VectorizedTensor.h"
 
-namespace MathLib ::VectorizedTensor
+namespace MathLib::VectorizedTensor
 {
 
 bool isTensorConvertibleTo1d(Eigen::Matrix3d const& tensor)