diff --git a/src/main/java/io/lettuce/core/cluster/models/partitions/ClusterPartitionParser.java b/src/main/java/io/lettuce/core/cluster/models/partitions/ClusterPartitionParser.java
index ccb7e5cfc8..0c85880290 100644
--- a/src/main/java/io/lettuce/core/cluster/models/partitions/ClusterPartitionParser.java
+++ b/src/main/java/io/lettuce/core/cluster/models/partitions/ClusterPartitionParser.java
@@ -297,14 +297,14 @@ private static BitSet readSlots(List<String> slotStrings) {
         return slots;
     }
 
-    private static BitSet readSlotRanges(List<Integer> slotRanges) {
+    private static BitSet readSlotRanges(List<?> slotRanges) {
 
         BitSet slots = new BitSet(SlotHash.SLOT_COUNT);
 
         for (int i = 0; i < slotRanges.size(); i += 2) {
 
-            Number from = slotRanges.get(i);
-            Number to = slotRanges.get(i + 1);
+            Number from = getAsNumber(slotRanges.get(i));
+            Number to = getAsNumber(slotRanges.get(i + 1));
 
             addSlots(slots, from.intValue(), to.intValue());
         }
@@ -312,6 +312,15 @@ private static BitSet readSlotRanges(List<Integer> slotRanges) {
         return slots;
     }
 
+    private static Number getAsNumber(Object stringOrNumber) {
+
+        if (stringOrNumber instanceof Number) {
+            return (Number) stringOrNumber;
+        }
+
+        return Integer.parseInt(stringOrNumber.toString());
+    }
+
     private static void addSlots(BitSet slots, int from, int to) {
         for (int slot = from; slot <= to; slot++) {
             slots.set(slot);