diff --git a/pandas/core/nanops.py b/pandas/core/nanops.py index e7e28798d84a2..4d35869bc0015 100644 --- a/pandas/core/nanops.py +++ b/pandas/core/nanops.py @@ -1313,7 +1313,7 @@ def check_below_min_count( non_nulls = np.prod(shape) else: non_nulls = mask.size - mask.sum() - if non_nulls < min_count: + if non_nulls > 0 and non_nulls < min_count: return True return False