diff --git a/financepy/utils/amount.py b/financepy/utils/amount.py
index d3afc0ee..42af7e81 100644
--- a/financepy/utils/amount.py
+++ b/financepy/utils/amount.py
@@ -64,7 +64,7 @@ def __sub__(self, other):
 
         return Amount(
             self.amount - other.amount,
-            self.currency_type,
+            self.ccy_name,
         )
 
     def __mul__(self, scalar):
@@ -97,7 +97,7 @@ def __eq__(self, other):
             return False
 
         return (
-            self.currency_type == other.currency_type
+            self.ccy_name == other.ccy_name
             and self.amount == other.amount
         )
 
diff --git a/tests/unit/test_FinAmount.py b/tests/unit/test_FinAmount.py
index b6ec0f92..102a8e37 100644
--- a/tests/unit/test_FinAmount.py
+++ b/tests/unit/test_FinAmount.py
@@ -9,3 +9,12 @@ def test_amount():
 
     amt = Amount(101000.232, "CAD")
     assert repr(amt) == "CAD 101,000.23"
+
+
+def test_amount_sub_and_eq():
+
+    diff = Amount(100.0, "CAD") - Amount(40.0, "CAD")
+    assert diff.amount == 60.0
+    assert diff.ccy_name == "CAD"
+    assert Amount(1.0, "CAD") == Amount(1.0, "CAD")
+    assert Amount(1.0, "CAD") != Amount(1.0, "USD")