diff --git a/Sources/Eigen/include/Eigen/src/OrderingMethods/Eigen_Colamd.h b/Sources/Eigen/include/Eigen/src/OrderingMethods/Eigen_Colamd.h
index 8e339a7..a8c9f1e 100644
--- a/Sources/Eigen/include/Eigen/src/OrderingMethods/Eigen_Colamd.h
+++ b/Sources/Eigen/include/Eigen/src/OrderingMethods/Eigen_Colamd.h
@@ -47,6 +47,8 @@
 #ifndef EIGEN_COLAMD_H
 #define EIGEN_COLAMD_H
 
+namespace Eigen {
+
 namespace internal {
 
 namespace Colamd {
@@ -1860,4 +1862,6 @@ static inline  IndexType clear_mark  /* return the new value for tag_mark */
 } // namespace Colamd
 
 } // namespace internal
+
+} // namespace Eigen
 #endif
diff --git a/Sources/Eigen/include/Eigen/src/OrderingMethods/Ordering.h b/Sources/Eigen/include/Eigen/src/OrderingMethods/Ordering.h
index 0e06a05..2cdf01f 100644
--- a/Sources/Eigen/include/Eigen/src/OrderingMethods/Ordering.h
+++ b/Sources/Eigen/include/Eigen/src/OrderingMethods/Ordering.h
@@ -14,10 +14,10 @@
 // IWYU pragma: private
 #include "./InternalHeaderCheck.h"
 
-namespace Eigen {
-  
 #include "Eigen_Colamd.h"
 
+namespace Eigen {
+
 namespace internal {
     
 /** \internal