diff --git a/bip44/utils.py b/bip44/utils.py
index 684472c..3ebbb51 100644
--- a/bip44/utils.py
+++ b/bip44/utils.py
@@ -1,3 +1,5 @@
+from typing import Union
+
 from coincurve import PublicKey
 from sha3 import keccak_256 as _keccak_256
 
@@ -11,8 +13,12 @@ def keccak_256(b: bytes) -> bytes:
     return h.digest()
 
 
-def get_eth_addr(pk: bytes) -> str:
+def get_eth_addr(pk: Union[str, bytes]) -> str:
     """Get ETH address from a public key."""
-    if len(pk) != 64:
-        pk = PublicKey(pk).format(False)[1:]
-    return f"0x{keccak_256(pk)[-20:].hex()}"
+
+    pk_bytes = bytes.fromhex(pk) if isinstance(pk, str) else pk
+
+    if len(pk_bytes) != 64:
+        pk_bytes = PublicKey(pk_bytes).format(False)[1:]
+
+    return f"0x{keccak_256(pk_bytes)[-20:].hex()}"
diff --git a/poetry.lock b/poetry.lock
index adbdce5..b90aaf3 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -541,11 +541,11 @@ version = "3.7.4.2"
 
 [[package]]
 category = "dev"
-description = "Measures number of Terminal column cells of wide-character codes"
+description = "Measures the displayed width of unicode strings in a terminal"
 name = "wcwidth"
 optional = false
 python-versions = "*"
-version = "0.1.9"
+version = "0.2.2"
 
 [[package]]
 category = "dev"
@@ -908,8 +908,8 @@ typing-extensions = [
     {file = "typing_extensions-3.7.4.2.tar.gz", hash = "sha256:79ee589a3caca649a9bfd2a8de4709837400dfa00b6cc81962a1e6a1815969ae"},
 ]
 wcwidth = [
-    {file = "wcwidth-0.1.9-py2.py3-none-any.whl", hash = "sha256:cafe2186b3c009a04067022ce1dcd79cb38d8d65ee4f4791b8888d6599d1bbe1"},
-    {file = "wcwidth-0.1.9.tar.gz", hash = "sha256:ee73862862a156bf77ff92b09034fc4825dd3af9cf81bc5b360668d425f3c5f1"},
+    {file = "wcwidth-0.2.2-py2.py3-none-any.whl", hash = "sha256:b651b6b081476420e4e9ae61239ac4c1b49d0c5ace42b2e81dc2ff49ed50c566"},
+    {file = "wcwidth-0.2.2.tar.gz", hash = "sha256:3de2e41158cb650b91f9654cbf9a3e053cee0719c9df4ddc11e4b568669e9829"},
 ]
 zipp = [
     {file = "zipp-3.1.0-py3-none-any.whl", hash = "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b"},
diff --git a/tests/test_bip44.py b/tests/test_bip44.py
index 2562126..ff5b0a6 100644
--- a/tests/test_bip44.py
+++ b/tests/test_bip44.py
@@ -7,6 +7,12 @@
 MNEMONIC_JA = "なみだ　むろん　しひょう　こうつう　はかい　たいうん　さほう　ことり　げんき　おでかけ　ひこく　ざんしょ"
 
 
+def test_utils():
+    pk = "02d9ed78008e7b6c4bdc2beea13230fb3ccb8072728c0986894a3d544485e9b727"
+    assert get_eth_addr(pk) == get_eth_addr(bytes.fromhex(pk))
+    assert get_eth_addr(pk) == "0x7aD23D6eD9a1D98E240988BED0d78e8C81Ec296C".lower()
+
+
 def test_eth_wallet():
     w = Wallet(MNEMONIC)