diff --git a/code/ryzom/tools/patch_gen/patch_gen_common.cpp b/code/ryzom/tools/patch_gen/patch_gen_common.cpp
index e1b3110fe..2437c068e 100644
--- a/code/ryzom/tools/patch_gen/patch_gen_common.cpp
+++ b/code/ryzom/tools/patch_gen/patch_gen_common.cpp
@@ -346,8 +346,7 @@ void CPackageDescription::generatePatches(CBNPFileSet& packageIndex) const
 		if (packageIndex.getFile(i).versionCount()==1)
 		{
 			prevVersionFileName= _RootDirectory + "empty";
-			NLMISC::COFile tmpFile(prevVersionFileName);
-			tmpFile.close();
+			CFile::createEmptyFile(prevVersionFileName);
 			usingTemporaryFile = true;
 			deleteRefAfterDelta= false;
 		}