1 files changed, 2 insertions, 2 deletions

diff --git a/src/luarocks/unpack.lua b/src/luarocks/unpack.lua
index 6ea7353d..4920d381 100644
--- a/src/luarocks/unpack.lua
+++ b/src/luarocks/unpack.lua
@@ -27,9 +27,9 @@ local function unpack_rockspec(rockspec_file, dir_name)
    assert(type(rockspec_file) == "string")
    assert(type(dir_name) == "string")
    
-   local rockspec = fetch.load_rockspec(rockspec_file)
+   local rockspec, err = fetch.load_rockspec(rockspec_file)
    if not rockspec then
-      return nil, "Failed loading rockspec "..rockspec_file
+      return nil, "Failed loading rockspec "..rockspec_file..": "..err
    end
    fs.change_dir(dir_name)
    local ok, sources_dir = fetch.fetch_sources(rockspec, true, ".")