diff --git a/swig/Makefile b/swig/Makefile
index 6e9d3ccf018d1b8b9ab341284ec181becc2ac59a..6f53c276dda88de3ab4112d03e2dd4ecf3f7e584 100644
--- a/swig/Makefile
+++ b/swig/Makefile
@@ -73,7 +73,7 @@ CWRAPBIN=libcclvalue_wrap.o \
 				 libcclsentencecontext_wrap.o \
 				 libccloperator_wrap.o \
 				 libcclparser_wrap.o \
-				 boost_shared_ptr_wrap.cxx
+				 boost_shared_ptr_wrap.o
 
 PYMODULES=libcclvalue.py \
 					libcclstrset.py \