diff --git a/DDDetectors/src/VolumeAssembly_geo.cpp b/DDDetectors/src/VolumeAssembly_geo.cpp
index f50f99625213dc1bb165c5565ec06352450429c4..37b0254c2c2cbc1bc72bd6cf45ae084d0691e8e1 100644
--- a/DDDetectors/src/VolumeAssembly_geo.cpp
+++ b/DDDetectors/src/VolumeAssembly_geo.cpp
@@ -18,6 +18,7 @@
 #include "DD4hep/Printout.h"
 #include "XML/VolumeBuilder.h"
 #include "XML/Utilities.h"
+#include <memory>
 
 using namespace std;
 using namespace dd4hep;