diff --git a/session-manager/src/nsmd.C b/session-manager/src/nsmd.cpp
similarity index 100%
rename from session-manager/src/nsmd.C
rename to session-manager/src/nsmd.cpp
diff --git a/session-manager/wscript b/session-manager/wscript
index 262ddaa..7d3b4fd 100644
--- a/session-manager/wscript
+++ b/session-manager/wscript
@@ -36,7 +36,7 @@ def build(bld):
     libs = '' 
 
     bld.program( source = '''
-src/nsmd.C
+src/nsmd.cpp
 ''',
               target       = 'nsmd',
               includes     = ['.', 'src', '../nonlib'],