1 files changed, 1 insertions, 1 deletions

diff --git a/src/luarocks/core/path.lua b/src/luarocks/core/path.lua
index 07542a1f..59ab9c7f 100644
--- a/src/luarocks/core/path.lua
+++ b/src/luarocks/core/path.lua
@@ -28,7 +28,7 @@ end
 
 
 function path.versioned_name(file, prefix, name, version)
-   assert(name:match(dir_sep))
+   assert(not name:match(dir_sep))
 
    local rest = file:sub(#prefix + 1):gsub("^" .. dir_sep .. "*", "")
    local name_version = (name .. "_" .. version):gsub("%-", "_"):gsub("%.", "_")