diff --git a/tests/core/contracts/test_contract_method_abi_decoding.py b/tests/core/contracts/test_contract_method_abi_decoding.py
index 97efc46d2c..fafe12a9bb 100644
--- a/tests/core/contracts/test_contract_method_abi_decoding.py
+++ b/tests/core/contracts/test_contract_method_abi_decoding.py
@@ -11,6 +11,7 @@
 ABI_BYTES = json.loads('[{"constant":false,"inputs":[{"name":"bytesarg","type":"bytes"}],"name":"bytesfunc","outputs":[],"type":"function"}]')  # noqa: E501
 ABI_STRING = json.loads('[{"constant":false,"inputs":[{"name":"stringarg","type":"string"}],"name":"stringfunc","outputs":[],"type":"function"}]')  # noqa: E501
 ABI_ADDRESS = json.loads('[{"constant":false,"inputs":[{"name":"addressarg","type":"address"}],"name":"addressfunc","outputs":[],"type":"function"}]')  # noqa: E501
+ABI_TUPLE = json.loads('[{"constant":false,"inputs":[{"components":[{"name":"owner","type":"address"},{"name":"number","type":"uint256"}],"name":"fromAccount","type":"tuple"},{"components":[{"name":"owner","type":"address"},{"name":"number","type":"uint256"}],"name":"liquidAccount","type":"tuple"},{"components":[{"name":"value","type":"uint256"}],"name":"minLiquidatorRatio","type":"tuple"},{"name":"minValueLiquidated","type":"uint256"},{"name":"owedPreferences","type":"uint256[]"},{"name":"heldPreferences","type":"uint256[]"}],"name":"liquidate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]')  # noqa: E501
 a32bytes = b'a'.ljust(32, b'\x00')
 
 
@@ -65,6 +66,19 @@
             'addressfunc',
             {'addressarg': '0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF'},
         ),
+        (
+            ABI_TUPLE,
+            '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',  # noqa: E501
+            'liquidate',
+            {
+                'fromAccount': ('0xBfae42A79FF045659DD0F84e65534f5c4c810023', 0),
+                'liquidAccount': ('0xdb3d3AF153cB02f0Bc44621Db82289280e93500F', 67238809929330522294664880975001390268660278453875034113630810005818923006342),  # noqa: E501
+                'minLiquidatorRatio': (300000000000000000,),
+                'minValueLiquidated': 500000000000000000000000000000000000000,
+                'owedPreferences': [0, 1, 2],
+                'heldPreferences': [2, 0, 1],
+            },
+        ),
     ),
 )
 def test_contract_abi_decoding(web3, abi, data, method, expected):