1 files changed, 2 insertions, 1 deletions

diff --git a/src/luarocks/fs/unix.lua b/src/luarocks/fs/unix.lua
index 279eca14..262cb3d0 100644
--- a/src/luarocks/fs/unix.lua
+++ b/src/luarocks/fs/unix.lua
@@ -127,5 +127,6 @@ function is_actual_binary(filename)
 end
 
 function copy_binary(filename, dest) 
-   return fs.copy(filename, dest, "0755")
+   -- LuaPosix (as of 5.1.15) does not support octal notation...
+   return fs.copy(filename, dest, "u=rwx,g=rx,o=rx")
 end