diff --git a/inventoryManager.lua b/inventoryManager.lua
index d126d6f..78fdd80 100644
--- a/inventoryManager.lua
+++ b/inventoryManager.lua
@@ -897,9 +897,18 @@ local function refreshCache(onProgress)
     cache.barrelOk   = peripheral.wrap(BARREL_NAME) ~= nil
 
     -- Discover all droppers on the network (for location-based dispensing)
+    -- Use name-based matching as peripheral.getType() may return "inventory"
+    -- as the primary type in some CC:Tweaked versions (1.99+)
     local droppers = {}
     for _, name in ipairs(peripheral.getNames()) do
-        if peripheral.getType(name) == "minecraft:dropper" and name ~= COMPOST_DROPPER then
+        local isDropper = name:match("^minecraft:dropper_")
+        if not isDropper and peripheral.hasType then
+            isDropper = peripheral.hasType(name, "minecraft:dropper")
+        end
+        if not isDropper then
+            isDropper = peripheral.getType(name) == "minecraft:dropper"
+        end
+        if isDropper and name ~= COMPOST_DROPPER then
             local isDefault = (name == DROPPER_NAME)
             table.insert(droppers, { name = name, isDefault = isDefault })
         end