diff --git a/client/src/main/java/com/metamx/druid/Query.java b/client/src/main/java/com/metamx/druid/Query.java
index b553dd46855..bd1dc49702a 100644
--- a/client/src/main/java/com/metamx/druid/Query.java
+++ b/client/src/main/java/com/metamx/druid/Query.java
@@ -21,6 +21,7 @@ package com.metamx.druid;
 
 import com.metamx.common.guava.Sequence;
 import com.metamx.druid.query.group.GroupByQuery;
+import com.metamx.druid.query.metadata.SegmentMetadataQuery;
 import com.metamx.druid.query.search.SearchQuery;
 import com.metamx.druid.query.segment.QuerySegmentSpec;
 import com.metamx.druid.query.segment.QuerySegmentWalker;
@@ -39,7 +40,8 @@ import java.util.Map;
     @JsonSubTypes.Type(name = Query.TIMESERIES, value = TimeseriesQuery.class),
     @JsonSubTypes.Type(name = Query.SEARCH, value = SearchQuery.class),
     @JsonSubTypes.Type(name = Query.TIME_BOUNDARY, value = TimeBoundaryQuery.class),
-    @JsonSubTypes.Type(name = "groupBy", value= GroupByQuery.class)
+    @JsonSubTypes.Type(name = "groupBy", value= GroupByQuery.class),
+    @JsonSubTypes.Type(name = "segmentMetadata", value= SegmentMetadataQuery.class)
 })
 public interface Query<T>
 {