diff --git a/src/tools/dbusxml2qt3/classgen.cpp b/src/tools/dbusxml2qt3/classgen.cpp
index 7ca39a1..c410d45 100644
--- a/src/tools/dbusxml2qt3/classgen.cpp
+++ b/src/tools/dbusxml2qt3/classgen.cpp
@@ -365,15 +365,22 @@ static void writeSourceIncludes(const Class& classData, Class::Role role,
 }
 
 static void writeInterfaceIncludes(const TQValueList<Class> interfaces,
-        TQTextStream& stream)
+        const TQString& customInterfaceFilename, TQTextStream& stream)
 {
     stream << "// interface classes includes" << endl;
 
-    TQValueList<Class>::const_iterator it    = interfaces.begin();
-    TQValueList<Class>::const_iterator endIt = interfaces.end();
-    for (; it != endIt; ++it)
+    if (!customInterfaceFilename.isNull())
+    {
+        stream << "#include \"" << customInterfaceFilename << ".h\"" << endl;
+    }
+    else
     {
-        stream << "#include \"" << (*it).name.lower() << "Interface.h\"" << endl;
+        TQValueList<Class>::const_iterator it    = interfaces.begin();
+        TQValueList<Class>::const_iterator endIt = interfaces.end();
+        for (; it != endIt; ++it)
+        {
+            stream << "#include \"" << (*it).name.lower() << "Interface.h\"" << endl;
+        }
     }
 
     stream << "#include \"introspectableInterface.h\"" << endl;
@@ -1061,6 +1068,7 @@ bool ClassGenerator::generateProxy(const Class& classData,
 
 bool ClassGenerator::generateNode(const Class& classData,
                                   const TQValueList<Class>& interfaces,
+                                  const TQString& customInterfaceFilename,
                                   TQTextStream& headerStream,
                                   TQTextStream& sourceStream)
 {
@@ -1075,7 +1083,7 @@ bool ClassGenerator::generateNode(const Class& classData,
 
     // create source
     writeSourceIncludes(classData, Class::Node, sourceStream);
-    writeInterfaceIncludes(interfaces, sourceStream);
+    writeInterfaceIncludes(interfaces, customInterfaceFilename, sourceStream);
 
     openNamespaces(classData.namespaces, sourceStream);
 
diff --git a/src/tools/dbusxml2qt3/classgen.h b/src/tools/dbusxml2qt3/classgen.h
index 1abb893..83559a2 100644
--- a/src/tools/dbusxml2qt3/classgen.h
+++ b/src/tools/dbusxml2qt3/classgen.h
@@ -46,6 +46,7 @@ public:
                               TQTextStream& headerStream, TQTextStream& sourceStream);
     static bool generateNode(const Class& classData,
                              const TQValueList<Class>& interfaces,
+                             const TQString& customInterfaceFilename,
                              TQTextStream& headerStream, TQTextStream& sourceStream);
     static bool generateIncludeMoc(const TQString& baseName, TQTextStream& sourceStream);
 };
diff --git a/src/tools/dbusxml2qt3/main.cpp b/src/tools/dbusxml2qt3/main.cpp
index 0f19dc5..763c998 100644
--- a/src/tools/dbusxml2qt3/main.cpp
+++ b/src/tools/dbusxml2qt3/main.cpp
@@ -139,6 +139,7 @@ int main(int argc, char** argv)
 
     // if no specific option is selected, we generate everything
     bool generateAll = !(generateProxies || generateInterfaces || generateNode);
+    TQString customInterfaceFilename = TQString::null;
 
     if (checkForOption(options, "classname"))
     {
@@ -183,6 +184,7 @@ int main(int argc, char** argv)
         TQTextStream sourceStream;
 
         TQString baseName = options["interface"];
+        customInterfaceFilename = baseName;
         if (!baseName.isEmpty())
         {
             if (!ClassGenerator::initStreams(baseName, headerStream, sourceStream))
@@ -376,7 +378,7 @@ int main(int argc, char** argv)
             exit(4);
         }
 
-        ClassGenerator::generateNode(classData, interfaces,
+        ClassGenerator::generateNode(classData, interfaces, customInterfaceFilename,
                                      headerStream, sourceStream);
 
         ClassGenerator::finishStreams(baseName, headerStream, sourceStream);