diff --git a/processor/deltatocumulativeprocessor/internal/data/add.go b/processor/deltatocumulativeprocessor/internal/data/add.go
index 259ff701288a..d6b3ae6226bc 100644
--- a/processor/deltatocumulativeprocessor/internal/data/add.go
+++ b/processor/deltatocumulativeprocessor/internal/data/add.go
@@ -81,8 +81,8 @@ func getDeltaScale(arel, brel pmetric.ExponentialHistogramDataPointBuckets) expo
 
 	var deltaScale expo.Scale
 	for up-lo > maxBuckets {
-		lo >>= 1
-		up >>= 1
+		lo /= 2
+		up /= 2
 		deltaScale++
 	}
 
diff --git a/processor/deltatocumulativeprocessor/testdata/exponential/1.test b/processor/deltatocumulativeprocessor/testdata/exponential/1.test
index 8aa87775ae80..4af8da850cfb 100644
--- a/processor/deltatocumulativeprocessor/testdata/exponential/1.test
+++ b/processor/deltatocumulativeprocessor/testdata/exponential/1.test
@@ -42,7 +42,7 @@ resourceMetrics:
                   scale: 1
                   zeroCount: 0
                   positive:
-                    bucketCounts: [0,0,0,0,0]
+                    bucketCounts: []
 
 -- out --
 resourceMetrics: