diff --git a/Source/SWIG1.1/symbol.cxx b/Source/SWIG1.1/symbol.cxx
index afc5784d2..147e9bad9 100644
--- a/Source/SWIG1.1/symbol.cxx
+++ b/Source/SWIG1.1/symbol.cxx
@@ -24,6 +24,8 @@
  *
  *******************************************************************************/
 
+static char cvstag[] = "$Header$";
+
 // -----------------------------------------------------------------------------
 // Symbol object
 // -----------------------------------------------------------------------------