diff --git a/util/statistics.lua b/util/statistics.lua
index b76a7385c..cb6481c58 100644
--- a/util/statistics.lua
+++ b/util/statistics.lua
@@ -102,7 +102,7 @@ end
 function histogram_metric_mt:sample(value)
 	-- According to the I-D, values must be part of all buckets
 	for i, bucket in pairs(self) do
-		if "number" == type(i) and bucket.threshold >= value then
+		if "number" == type(i) and value <= bucket.threshold then
 			bucket.count = bucket.count + 1
 		end
 	end
diff --git a/util/statsd.lua b/util/statsd.lua
index b91e2a791..6ae85c31a 100644
--- a/util/statsd.lua
+++ b/util/statsd.lua
@@ -115,7 +115,7 @@ end
 function histogram_metric_mt:sample(value)
 	-- According to the I-D, values must be part of all buckets
 	for i, bucket in pairs(self) do
-		if "number" == type(i) and bucket.threshold >= value then
+		if "number" == type(i) and value <= bucket.threshold then
 			bucket.count = bucket.count + 1
 			self._impl:push_counter_delta(bucket._full_name, 1)
 		end