diff --git a/pvtoolsSrc/pvutils.h b/pvtoolsSrc/pvutils.h
index ae6431f..748f7a2 100644
--- a/pvtoolsSrc/pvutils.h
+++ b/pvtoolsSrc/pvutils.h
@@ -204,7 +204,10 @@ operator<<(pvutil_ostream& o, const epics::pvData::PVStructureArray::shared_poin
 
         epics::pvData::PVStructureArray::const_svector data(value->view());
         for (size_t i = 0; i < length; i++)
-            o << data[i];
+            if (data[i].get() == NULL)
+                o << epics::pvData::format::indent() << "(none)" << std::endl;
+            else
+                o << data[i];
     }
 
     return o;
@@ -223,7 +226,10 @@ operator<<(pvutil_ostream& o, const epics::pvData::PVUnionArray::shared_pointer
 
         epics::pvData::PVUnionArray::const_svector data(value->view());
         for (size_t i = 0; i < length; i++)
-            o << data[i];
+            if (data[i].get() == NULL)
+                o << epics::pvData::format::indent() << "(none)" << std::endl;
+            else
+                o << data[i];
     }
 
     return o;
diff --git a/testApp/remote/testServer.cpp b/testApp/remote/testServer.cpp
index 4d5be06..73a850a 100644
--- a/testApp/remote/testServer.cpp
+++ b/testApp/remote/testServer.cpp
@@ -2283,6 +2283,20 @@ protected:
                 m_pvStructure = getPVDataCreate()->createPVStructure(s);
                 m_pvStructure->getSubField<PVArray>("value")->setLength(8);
             }
+            else if (m_name == "testStructureArray" )
+            {
+                epics::pvData::StructureConstPtr s =
+                    getFieldCreate()->createFieldBuilder()->
+                        add("value", getFieldCreate()->createStructureArray(getStandardField()->alarm()))->
+                        createStructure();
+                m_pvStructure = getPVDataCreate()->createPVStructure(s);
+
+                PVStructureArray::svector data(5);
+                data[1] = getPVDataCreate()->createPVStructure(getStandardField()->alarm());
+                data[4] = getPVDataCreate()->createPVStructure(getStandardField()->alarm());
+
+                m_pvStructure->getSubField<PVStructureArray>("value")->replace(freeze(data));
+            }
             else
             {
                 string allProperties("alarm,timeStamp,display,control,valueAlarm");