diff --git a/pytides/tide.py b/pytides/tide.py
index bc7089c..9d2c3cc 100644
--- a/pytides/tide.py
+++ b/pytides/tide.py
@@ -235,7 +235,7 @@ def _partition(hours, partition = 3600.0):
 		"""
 		partition = float(partition)
 		relative = hours - hours[0]
-		total_partitions = np.ceil(relative[-1] / partition + 10*np.finfo(np.float).eps).astype('int')
+		total_partitions = np.ceil(relative[-1] / partition + 10*np.finfo(float).eps).astype('int')
 		return [hours[np.floor(np.divide(relative, partition)) == i] for i in range(total_partitions)]
 
 	@staticmethod