1 files changed, 1 insertions, 1 deletions
diff --git a/src/lpm.lua b/src/lpm.lua
index d1155e4..a4cb851 100644
--- a/src/lpm.lua
+++ b/src/lpm.lua
@@ -2178,7 +2178,7 @@ function lpm.run(ARGS)
     error("unknown command: " .. ARGS[2])
   elseif result == true and JSON then
     io.stdout:write(json.encode({ actions = actions, warnings = warnings }))
-  else
+  elseif type(result) == "function" then
     return result
   end
 end