diff --git a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/data/MetricData.java b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/data/MetricData.java
index f30b7ccbb84..771854341e6 100644
--- a/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/data/MetricData.java
+++ b/sdk/metrics/src/main/java/io/opentelemetry/sdk/metrics/data/MetricData.java
@@ -122,7 +122,7 @@ default GaugeData<LongPointData> getLongGaugeData() {
   @SuppressWarnings("unchecked")
   default SumData<DoublePointData> getDoubleSumData() {
     if (getType() == MetricDataType.DOUBLE_SUM) {
-      return (ImmutableSumData<DoublePointData>) getData();
+      return (SumData<DoublePointData>) getData();
     }
     return ImmutableSumData.empty();
   }