diff --git a/spanner/google/cloud/spanner_v1/param_types.py b/spanner/google/cloud/spanner_v1/param_types.py
index 4af8e02d67a7..47442bfc4bd2 100644
--- a/spanner/google/cloud/spanner_v1/param_types.py
+++ b/spanner/google/cloud/spanner_v1/param_types.py
@@ -20,7 +20,7 @@
 # Scalar parameter types
 STRING = type_pb2.Type(code=type_pb2.STRING)
 BYTES = type_pb2.Type(code=type_pb2.BYTES)
-BOOE = type_pb2.Type(code=type_pb2.BOOL)
+BOOL = type_pb2.Type(code=type_pb2.BOOL)
 INT64 = type_pb2.Type(code=type_pb2.INT64)
 FLOAT64 = type_pb2.Type(code=type_pb2.FLOAT64)
 DATE = type_pb2.Type(code=type_pb2.DATE)