diff --git a/jose/jwt.py b/jose/jwt.py
index b364b4b..07b8301 100644
--- a/jose/jwt.py
+++ b/jose/jwt.py
@@ -141,6 +141,9 @@ def decode(token, key, algorithms=None, options=None, audience=None, issuer=None
 
     verify_signature = defaults.get("verify_signature", True)
 
+    if algorithms is None:
+        algorithms = ALGORITHMS.ALL
+
     try:
         payload = jws.verify(token, key, algorithms, verify=verify_signature)
     except JWSError as e: