1 files changed, 3 insertions, 1 deletions

diff --git a/src/luarocks/build/builtin.lua b/src/luarocks/build/builtin.lua
index 57af7dbc..5d15bbf2 100644
--- a/src/luarocks/build/builtin.lua
+++ b/src/luarocks/build/builtin.lua
@@ -196,7 +196,9 @@ function builtin.run(rockspec)
      end
    end
    
-   
+   if not build.modules then
+      return nil, "Missing build.modules table"
+   end
    for name, info in pairs(build.modules) do
       local moddir = path.module_to_path(name)
       if type(info) == "string" then