1 files changed, 1 insertions, 1 deletions

diff --git a/src/luarocks/help.lua b/src/luarocks/help.lua
index 0a155509..e6c214ff 100644
--- a/src/luarocks/help.lua
+++ b/src/luarocks/help.lua
@@ -100,7 +100,7 @@ function help.run(...)
       end
    else
       command = command:gsub("-", "_")
-      local cmd = require(commands[command])
+      local cmd = commands[command] and require(commands[command])
       if cmd then
          local arguments = cmd.help_arguments or "<argument>"
          print_banner()