diff --git a/code/ryzom/client/src/login_patch_seven_zip.cpp b/code/ryzom/client/src/login_patch_seven_zip.cpp
index ad58f99b2..306c0607f 100644
--- a/code/ryzom/client/src/login_patch_seven_zip.cpp
+++ b/code/ryzom/client/src/login_patch_seven_zip.cpp
@@ -22,7 +22,7 @@
 #include "login_patch.h"
 
 #define RZ_USE_SEVENZIP 1
-//#define RZ_USE_NEW_LZMA
+#define RZ_USE_NEW_LZMA
 
 #ifdef RZ_USE_SEVENZIP