diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0ef47d668204b198caff1fe90f52d08d69bd76ee..9f5024b3397399f0fac49890e56f3b73abc33e69 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -674,8 +674,8 @@ macro(unix2dos VARNAME)
 endmacro(unix2dos)
 
 if(WIN32)
-  set(GMSH_BIN "")
-  set(GMSH_DOC "")
+  set(GMSH_BIN .)
+  set(GMSH_DOC .)
   if(CYGWIN)
     unix2dos(GMSH_API)
     unix2dos(WELCOME_FILE)