diff --git a/redis/asyncio/cluster.py b/redis/asyncio/cluster.py
index 84407116ed..65e1bd02ac 100644
--- a/redis/asyncio/cluster.py
+++ b/redis/asyncio/cluster.py
@@ -588,13 +588,13 @@ async def _determine_slot(self, command: str, *args: Any) -> int:
         # EVAL/EVALSHA.
         # - issue: https://github.com/redis/redis/issues/9493
         # - fix: https://github.com/redis/redis/pull/9733
-        if command in ("EVAL", "EVALSHA"):
+        if command.upper() in ("EVAL", "EVALSHA"):
             # command syntax: EVAL "script body" num_keys ...
             if len(args) < 2:
                 raise RedisClusterException(
                     f"Invalid args in command: {command, *args}"
                 )
-            keys = args[2 : 2 + args[1]]
+            keys = args[2 : 2 + int(args[1])]
             # if there are 0 keys, that means the script can be run on any node
             # so we can just return a random slot
             if not keys:
@@ -604,7 +604,7 @@ async def _determine_slot(self, command: str, *args: Any) -> int:
             if not keys:
                 # FCALL can call a function with 0 keys, that means the function
                 #  can be run on any node so we can just return a random slot
-                if command in ("FCALL", "FCALL_RO"):
+                if command.upper() in ("FCALL", "FCALL_RO"):
                     return random.randrange(0, REDIS_CLUSTER_HASH_SLOTS)
                 raise RedisClusterException(
                     "No way to dispatch this command to Redis Cluster. "
diff --git a/redis/cluster.py b/redis/cluster.py
index cba62de077..0347893205 100644
--- a/redis/cluster.py
+++ b/redis/cluster.py
@@ -967,11 +967,11 @@ def determine_slot(self, *args):
         # redis server to parse the keys. Besides, there is a bug in redis<7.0
         # where `self._get_command_keys()` fails anyway. So, we special case
         # EVAL/EVALSHA.
-        if command in ("EVAL", "EVALSHA"):
+        if command.upper() in ("EVAL", "EVALSHA"):
             # command syntax: EVAL "script body" num_keys ...
             if len(args) <= 2:
                 raise RedisClusterException(f"Invalid args in command: {args}")
-            num_actual_keys = args[2]
+            num_actual_keys = int(args[2])
             eval_keys = args[3 : 3 + num_actual_keys]
             # if there are 0 keys, that means the script can be run on any node
             # so we can just return a random slot
@@ -983,7 +983,7 @@ def determine_slot(self, *args):
             if keys is None or len(keys) == 0:
                 # FCALL can call a function with 0 keys, that means the function
                 #  can be run on any node so we can just return a random slot
-                if command in ("FCALL", "FCALL_RO"):
+                if command.upper() in ("FCALL", "FCALL_RO"):
                     return random.randrange(0, REDIS_CLUSTER_HASH_SLOTS)
                 raise RedisClusterException(
                     "No way to dispatch this command to Redis Cluster. "