diff --git a/lib/ExtendEntityManager.cxx b/lib/ExtendEntityManager.cxx
index fb73a07..19e44c0 100644
--- a/lib/ExtendEntityManager.cxx
+++ b/lib/ExtendEntityManager.cxx
@@ -1238,7 +1238,8 @@ StorageObjectSpec::StorageObjectSpec()
 }
 
 StorageObjectSpec::StorageObjectSpec(const StorageObjectSpec& x)
-: codingSystemName(x.codingSystemName),
+: storageManager(x.storageManager),
+  codingSystemName(x.codingSystemName),
   codingSystem(x.codingSystem),
   specId(x.specId),
   baseId(x.baseId),
@@ -1253,6 +1254,7 @@ StorageObjectSpec::StorageObjectSpec(const StorageObjectSpec& x)
 StorageObjectSpec& StorageObjectSpec::operator=(const StorageObjectSpec& x)
 {
   if (this != &x) {
+    storageManager = x.storageManager;
     codingSystemName = x.codingSystemName;
     codingSystem = x.codingSystem;
     specId = x.specId;