diff --git a/drmon.lua b/drmon.lua
index 57a1dbf..ffd4340 100644
--- a/drmon.lua
+++ b/drmon.lua
@@ -175,7 +175,7 @@ function update()
     end
 
     for k, v in pairs (ri) do
-      print(k.. ": ".. v)
+      print(k.. ": ".. tostring(v))
     end
     print("Output Gate: ", fluxgate.getSignalLowFlow())
     print("Input Gate: ", inputfluxgate.getSignalLowFlow())