diff --git a/core/src/main/java/org/elasticsearch/search/aggregations/bucket/histogram/DateHistogramAggregationBuilder.java b/core/src/main/java/org/elasticsearch/search/aggregations/bucket/histogram/DateHistogramAggregationBuilder.java
index d3b8857ccab..191d4e62ab4 100644
--- a/core/src/main/java/org/elasticsearch/search/aggregations/bucket/histogram/DateHistogramAggregationBuilder.java
+++ b/core/src/main/java/org/elasticsearch/search/aggregations/bucket/histogram/DateHistogramAggregationBuilder.java
@@ -245,6 +245,11 @@ public class DateHistogramAggregationBuilder
     @Override
     protected ValuesSourceAggregatorFactory<Numeric, ?> innerBuild(AggregationContext context, ValuesSourceConfig<Numeric> config,
             AggregatorFactory<?> parent, Builder subFactoriesBuilder) throws IOException {
+        ExtendedBounds extendedBounds = null;
+        if (this.extendedBounds != null) {
+            // parse any string bounds to longs
+            extendedBounds = this.extendedBounds.parseAndValidate(name, context.searchContext(), config.format());
+        }
         return new DateHistogramAggregatorFactory(name, type, config, interval, dateHistogramInterval, offset, order, keyed, minDocCount,
                 extendedBounds, context, parent, subFactoriesBuilder, metaData);
     }
diff --git a/core/src/main/java/org/elasticsearch/search/aggregations/bucket/histogram/DateHistogramAggregatorFactory.java b/core/src/main/java/org/elasticsearch/search/aggregations/bucket/histogram/DateHistogramAggregatorFactory.java
index 79f81e28374..52b0a77829f 100644
--- a/core/src/main/java/org/elasticsearch/search/aggregations/bucket/histogram/DateHistogramAggregatorFactory.java
+++ b/core/src/main/java/org/elasticsearch/search/aggregations/bucket/histogram/DateHistogramAggregatorFactory.java
@@ -134,8 +134,7 @@ public final class DateHistogramAggregatorFactory
         // code so we won't need to do that
         ExtendedBounds roundedBounds = null;
         if (extendedBounds != null) {
-            // parse any string bounds to longs and round them
-            roundedBounds = extendedBounds.parseAndValidate(name, context.searchContext(), config.format()).round(rounding);
+            roundedBounds = extendedBounds.round(rounding);
         }
         return new DateHistogramAggregator(name, factories, rounding, offset, order, keyed, minDocCount, roundedBounds, valuesSource,
                 config.format(), context, parent, pipelineAggregators, metaData);