diff --git a/src/DriverGMF/DriverGMF_Write.hxx b/src/DriverGMF/DriverGMF_Write.hxx
index 0e8ee4f70..b66b3d946 100644
--- a/src/DriverGMF/DriverGMF_Write.hxx
+++ b/src/DriverGMF/DriverGMF_Write.hxx
@@ -31,6 +31,7 @@
 
 #include "Driver_SMESHDS_Mesh.h"
 #include "SMDSAbs_ElementType.hxx"
+#include "SMDS_ElemIterator.hxx"
 
 /*!
  * \brief Driver Writing a mesh into a GMF file.
@@ -51,6 +52,10 @@ public:
 
  private:
 
+  SMDS_ElemIteratorPtr elementIterator(SMDSAbs_ElementType  type); 
+  SMDS_ElemIteratorPtr elementIterator(SMDSAbs_EntityType   type);  
+  SMDS_ElemIteratorPtr elementIterator(SMDSAbs_GeometryType type);
+
   bool _exportRequiredGroups;
 };