diff --git a/code/ryzom/tools/CMakeLists.txt b/code/ryzom/tools/CMakeLists.txt
index 20a15f783..0bf9fb632 100644
--- a/code/ryzom/tools/CMakeLists.txt
+++ b/code/ryzom/tools/CMakeLists.txt
@@ -14,7 +14,9 @@ IF(WITH_NET)
   ADD_SUBDIRECTORY(stats_scan)
   ADD_SUBDIRECTORY(pdr_util)
   ADD_SUBDIRECTORY(patch_gen)
-  ADD_SUBDIRECTORY(sheets_packer_shard)
+  IF(WIN32)
+    ADD_SUBDIRECTORY(sheets_packer_shard)
+  ENDIF(WIN32)
 ENDIF(WITH_NET)
 
 IF(WITH_LIGO AND WITH_NET)