diff --git a/Source/cmTimestamp.h b/Source/cmTimestamp.h
index 8dd499a3e3e15cf0e26004e3a72a5ebc34cf4a0a..2f75acba0d9689fad6b6488f9294bf34415d7e83 100644
--- a/Source/cmTimestamp.h
+++ b/Source/cmTimestamp.h
@@ -23,12 +23,12 @@ public:
                                    const std::string& formatString,
                                    bool utcFlag);
 
-private:
-  time_t CreateUtcTimeTFromTm(struct tm& timeStruct) const;
-
   std::string CreateTimestampFromTimeT(time_t timeT, std::string formatString,
                                        bool utcFlag) const;
 
+private:
+  time_t CreateUtcTimeTFromTm(struct tm& timeStruct) const;
+
   std::string AddTimestampComponent(char flag, struct tm& timeStruct,
                                     time_t timeT) const;
 };