diff --git a/pandas/tests/extension/masked_shared.py b/pandas/tests/extension/masked_shared.py
index 78f562ceff5eba..a1ef012b82bd96 100644
--- a/pandas/tests/extension/masked_shared.py
+++ b/pandas/tests/extension/masked_shared.py
@@ -70,7 +70,7 @@ def check_reduce_with_wrap(self, ser: pd.Series, op_name: str, skipna: bool):
 
         arr = ser.array
 
-        float32_cond = arr.dtype == "Float32" and is_platform_windows() or not IS64
+        float32_cond = arr.dtype == "Float32" or (is_platform_windows() or not IS64)
         float_dtype = "Float32" if float32_cond else "Float64"
 
         if op_name in ["mean", "median", "var", "std", "skew"]: