diff --git a/src/App/Document.cpp b/src/App/Document.cpp
index 1c476b9cd..c7c559ab2 100644
--- a/src/App/Document.cpp
+++ b/src/App/Document.cpp
@@ -144,6 +144,7 @@ struct DocumentP
     std::map<Vertex,DocumentObject*> vertexMap;
     bool rollback;
     bool closable;
+    bool keepTrailingDigits;
     int iUndoMode;
     unsigned int UndoMemSize;
     unsigned int UndoMaxStackSize;
@@ -158,6 +159,7 @@ struct DocumentP
         iTransactionCount = 0;
         rollback = false;
         closable = true;
+        keepTrailingDigits = true;
         iUndoMode = 0;
         UndoMemSize = 0;
         UndoMaxStackSize = 20;
@@ -807,6 +809,7 @@ void Document::writeObjects(const std::vector<App::DocumentObject*>& obj,
 std::vector<App::DocumentObject*>
 Document::readObjects(Base::XMLReader& reader)
 {
+    d->keepTrailingDigits = !reader.doNameMapping();
     std::vector<App::DocumentObject*> objs;
 
     // read the object types
@@ -1802,9 +1805,11 @@ std::string Document::getUniqueObjectName(const char *Name) const
     std::string CleanName = Base::Tools::getIdentifier(Name);
     // remove also trailing digits from clean name which is to avoid to create lengthy names
     // like 'Box001001'
-    std::string::size_type index = CleanName.find_last_not_of("0123456789");
-    if (index+1 < CleanName.size()) {
-        CleanName = CleanName.substr(0,index+1);
+    if (!d->keepTrailingDigits) {
+        std::string::size_type index = CleanName.find_last_not_of("0123456789");
+        if (index+1 < CleanName.size()) {
+            CleanName = CleanName.substr(0,index+1);
+        }
     }
 
     // name in use?
diff --git a/src/Base/Reader.cpp b/src/Base/Reader.cpp
index cc6d86201..91d4b8851 100644
--- a/src/Base/Reader.cpp
+++ b/src/Base/Reader.cpp
@@ -370,6 +370,11 @@ const char* Base::XMLReader::getName(const char* name) const
     return name;
 }
 
+bool Base::XMLReader::doNameMapping() const
+{
+    return false;
+}
+
 // ---------------------------------------------------------------------------
 //  Base::XMLReader: Implementation of the SAX DocumentHandler interface
 // ---------------------------------------------------------------------------
diff --git a/src/Base/Reader.h b/src/Base/Reader.h
index df82a5653..ae50a1412 100644
--- a/src/Base/Reader.h
+++ b/src/Base/Reader.h
@@ -161,6 +161,7 @@ public:
     bool isRegistered(Base::Persistence *Object) const;
     virtual void addName(const char*, const char*);
     virtual const char* getName(const char*) const;
+    virtual bool doNameMapping() const;
     //@}
 
     /// Schema Version of the document
diff --git a/src/Gui/MergeDocuments.cpp b/src/Gui/MergeDocuments.cpp
index 9af26e8bc..430843129 100644
--- a/src/Gui/MergeDocuments.cpp
+++ b/src/Gui/MergeDocuments.cpp
@@ -58,6 +58,10 @@ public:
         else
             return name;
     }
+    bool doNameMapping() const
+    {
+        return true;
+    }
 protected:
     void startElement(const XMLCh* const uri, const XMLCh* const localname,
                       const XMLCh* const qname,