diff --git a/newsfragments/1664.bugfix.rst b/newsfragments/1664.bugfix.rst
new file mode 100644
index 0000000000..ff9b26673b
--- /dev/null
+++ b/newsfragments/1664.bugfix.rst
@@ -0,0 +1 @@
+Correct the type annotations of `FilterParams.address`
diff --git a/web3/types.py b/web3/types.py
index a1ddfe3ef3..28d3c4ae14 100644
--- a/web3/types.py
+++ b/web3/types.py
@@ -136,7 +136,7 @@ class FormattersDict(TypedDict, total=False):
 
 
 class FilterParams(TypedDict, total=False):
-    address: Union[Address, ChecksumAddress, List[ChecksumAddress]]
+    address: Union[Address, ChecksumAddress, List[Address], List[ChecksumAddress]]
     blockHash: HexBytes
     fromBlock: BlockIdentifier
     toBlock: BlockIdentifier