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-rw-r--r--lib/sqlalchemy/sql/expression.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py
index e4a610e5d..c559f3850 100644
--- a/lib/sqlalchemy/sql/expression.py
+++ b/lib/sqlalchemy/sql/expression.py
@@ -2167,7 +2167,7 @@ class _BindParamClause(ColumnElement):
if _compared_to_type is not None:
self.type = _compared_to_type._coerce_compared_value(_compared_to_operator, value)
else:
- self.type = sqltypes.NULLTYPE
+ self.type = sqltypes.type_map.get(type(value), sqltypes.NULLTYPE)
elif isinstance(type_, type):
self.type = type_()
else: