diff --git a/sentry_sdk/integrations/redis/utils.py b/sentry_sdk/integrations/redis/utils.py
index 9bfa656158..207468ac77 100644
--- a/sentry_sdk/integrations/redis/utils.py
+++ b/sentry_sdk/integrations/redis/utils.py
@@ -53,21 +53,27 @@ def _get_safe_key(method_name, args, kwargs):
     key = ""
     if args is not None and method_name.lower() in _MULTI_KEY_COMMANDS:
         # for example redis "mget"
-        key = ", ".join(args)
+        key = ", ".join(x.decode() if isinstance(x, bytes) else x for x in args)
+
     elif args is not None and len(args) >= 1:
         # for example django "set_many/get_many" or redis "get"
-        key = args[0]
+        key = args[0].decode() if isinstance(args[0], bytes) else args[0]
+
     elif kwargs is not None and "key" in kwargs:
         # this is a legacy case for older versions of django (I guess)
-        key = kwargs["key"]
+        key = (
+            kwargs["key"].decode()
+            if isinstance(kwargs["key"], bytes)
+            else kwargs["key"]
+        )
 
     if isinstance(key, dict):
         # Django caching set_many() has a dictionary {"key": "data", "key2": "data2"}
         # as argument. In this case only return the keys of the dictionary (to not leak data)
-        key = ", ".join(key.keys())
+        key = ", ".join(x.decode() if isinstance(x, bytes) else x for x in key.keys())
 
     if isinstance(key, list):
-        key = ", ".join(key)
+        key = ", ".join(x.decode() if isinstance(x, bytes) else x for x in key)
 
     return str(key)
 
diff --git a/tests/integrations/redis/test_redis_cache_module.py b/tests/integrations/redis/test_redis_cache_module.py
index 2459958f13..d96d074343 100644
--- a/tests/integrations/redis/test_redis_cache_module.py
+++ b/tests/integrations/redis/test_redis_cache_module.py
@@ -1,7 +1,10 @@
+import pytest
+
 import fakeredis
 from fakeredis import FakeStrictRedis
 
 from sentry_sdk.integrations.redis import RedisIntegration
+from sentry_sdk.integrations.redis.utils import _get_safe_key
 from sentry_sdk.utils import parse_version
 import sentry_sdk
 
@@ -185,3 +188,22 @@ def test_cache_data(sentry_init, capture_events):
         assert spans[4]["data"]["network.peer.address"] == "mycacheserver.io"
 
     assert spans[5]["op"] == "db.redis"  # we ignore db spans in this test.
+
+
+@pytest.mark.parametrize(
+    "method_name,args,kwargs,expected_key",
+    [
+        (None, None, None, ""),
+        ("", None, None, ""),
+        ("set", ["bla", "valuebla"], None, "bla"),
+        ("setex", ["bla", 10, "valuebla"], None, "bla"),
+        ("get", ["bla"], None, "bla"),
+        ("mget", ["bla", "blub", "foo"], None, "bla, blub, foo"),
+        ("set", [b"bla", "valuebla"], None, "bla"),
+        ("setex", [b"bla", 10, "valuebla"], None, "bla"),
+        ("get", [b"bla"], None, "bla"),
+        ("mget", [b"bla", "blub", "foo"], None, "bla, blub, foo"),
+    ],
+)
+def test_get_safe_key(method_name, args, kwargs, expected_key):
+    assert _get_safe_key(method_name, args, kwargs) == expected_key