diff --git a/src/system/helpers.h b/src/system/helpers.h
index 70eddd043..0199161c3 100644
--- a/src/system/helpers.h
+++ b/src/system/helpers.h
@@ -88,7 +88,7 @@ class CFileHelpers
 		static CFileHelpers* getInstance();
 		bool doCopyFlag;
 
-		bool copyFile(const char *Src, const char *Dst, mode_t mode);
+		bool copyFile(const char *Src, const char *Dst, mode_t mode = 644); //NI
 		bool copyDir(const char *Src, const char *Dst, bool backupMode=false);
 		static bool createDir(std::string& Dir, mode_t mode = 755);
 		static bool createDir(const char *Dir, mode_t mode = 755){std::string dir = std::string(Dir);return createDir(dir, mode);}