diff --git a/ava_evaluation/metrics.py b/ava_evaluation/metrics.py
index 47116fac..de95b644 100644
--- a/ava_evaluation/metrics.py
+++ b/ava_evaluation/metrics.py
@@ -38,7 +38,7 @@ def compute_precision_recall(scores, labels, num_gt):
     """
     if (
         not isinstance(labels, np.ndarray)
-        or labels.dtype != np.bool
+        or labels.dtype != bool
         or len(labels.shape) != 1
     ):
         raise ValueError("labels must be single dimension bool numpy array")