diff --git a/exp_legacy/module/modules/addons/miner.lua b/exp_legacy/module/modules/addons/miner.lua
index 553e0a01..84137fad 100644
--- a/exp_legacy/module/modules/addons/miner.lua
+++ b/exp_legacy/module/modules/addons/miner.lua
@@ -121,7 +121,7 @@ local function miner_check(entity)
         table.insert_array(entities, entities_t)
 
         for _, e in pairs(entities) do
-            for i, _ in pairs(e.fluidbox) do
+            for i = 1, #e.fluidbox do
                 for _, p in pairs(e.fluidbox.get_pipe_connections(i)) do
                     if p.flow_direction == "input" or p.flow_direction == "input-output" then
                         for x = 1, p.position.x do