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-rw-r--r--Source/cmSourceGroup.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmSourceGroup.h b/Source/cmSourceGroup.h
index 8603e95..1f5232e 100644
--- a/Source/cmSourceGroup.h
+++ b/Source/cmSourceGroup.h
@@ -34,7 +34,7 @@ class cmSourceGroup
{
public:
cmSourceGroup(const char* name, const char* regex,
- const char* parentName = 0);
+ const char* parentName = CM_NULLPTR);
cmSourceGroup(cmSourceGroup const& r);
~cmSourceGroup();
cmSourceGroup& operator=(cmSourceGroup const&);