diff --git a/tests/test_fields.py b/tests/test_fields.py
index 6125d9b32..bae8ed062 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -1245,8 +1245,8 @@ class TestMinMaxDecimalField(FieldValues):
         '20.0': Decimal('20.0'),
     }
     invalid_inputs = {
-        '9.9': ['Ensure this value is greater than or equal to 10.'],
-        '20.1': ['Ensure this value is less than or equal to 20.'],
+        '9.9': ['Ensure this value is greater than or equal to 10.0.'],
+        '20.1': ['Ensure this value is less than or equal to 20.0.'],
     }
     outputs = {}
     field = serializers.DecimalField(