diff --git a/server/src/main/java/io/druid/segment/indexing/granularity/ArbitraryGranularitySpec.java b/server/src/main/java/io/druid/segment/indexing/granularity/ArbitraryGranularitySpec.java
index dd1a5b4bbde..807764e515c 100644
--- a/server/src/main/java/io/druid/segment/indexing/granularity/ArbitraryGranularitySpec.java
+++ b/server/src/main/java/io/druid/segment/indexing/granularity/ArbitraryGranularitySpec.java
@@ -21,6 +21,7 @@ package io.druid.segment.indexing.granularity;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.google.api.client.util.Lists;
 import com.google.common.base.Optional;
 import com.google.common.collect.Iterators;
 import com.google.common.collect.PeekingIterator;
@@ -38,13 +39,16 @@ import java.util.TreeSet;
 public class ArbitraryGranularitySpec implements GranularitySpec
 {
   private final TreeSet<Interval> intervals;
+  private final QueryGranularity queryGranularity;
 
   @JsonCreator
   public ArbitraryGranularitySpec(
+      @JsonProperty("queryGranularity") QueryGranularity queryGranularity,
       @JsonProperty("intervals") List<Interval> inputIntervals
   )
   {
-    intervals = Sets.newTreeSet(Comparators.intervalsByStartThenEnd());
+    this.queryGranularity = queryGranularity;
+    this.intervals = Sets.newTreeSet(Comparators.intervalsByStartThenEnd());
 
     // Insert all intervals
     for (final Interval inputInterval : inputIntervals) {
@@ -98,14 +102,18 @@ public class ArbitraryGranularitySpec implements GranularitySpec
   }
 
   @Override
+  @JsonProperty("queryGranularity")
   public QueryGranularity getQueryGranularity()
   {
-    throw new UnsupportedOperationException();
+    return queryGranularity;
   }
 
   @Override
   public GranularitySpec withQueryGranularity(QueryGranularity queryGranularity)
   {
-    throw new UnsupportedOperationException();
+    return new ArbitraryGranularitySpec(
+        queryGranularity,
+        Lists.newArrayList(intervals)
+    );
   }
 }
diff --git a/server/src/main/java/io/druid/segment/indexing/granularity/UniformGranularitySpec.java b/server/src/main/java/io/druid/segment/indexing/granularity/UniformGranularitySpec.java
index d494eb2ee47..d83f824366e 100644
--- a/server/src/main/java/io/druid/segment/indexing/granularity/UniformGranularitySpec.java
+++ b/server/src/main/java/io/druid/segment/indexing/granularity/UniformGranularitySpec.java
@@ -68,7 +68,7 @@ public class UniformGranularitySpec implements GranularitySpec
         Iterables.addAll(granularIntervals, this.segmentGranularity.getIterable(inputInterval));
       }
       this.inputIntervals = ImmutableList.copyOf(inputIntervals);
-      this.wrappedSpec = new ArbitraryGranularitySpec(granularIntervals);
+      this.wrappedSpec = new ArbitraryGranularitySpec(queryGranularity, granularIntervals);
     } else {
       this.inputIntervals = null;
       this.wrappedSpec = null;
diff --git a/server/src/test/java/io/druid/segment/indexing/granularity/ArbitraryGranularityTest.java b/server/src/test/java/io/druid/segment/indexing/granularity/ArbitraryGranularityTest.java
index 910bdfe0df8..ad8f4c721db 100644
--- a/server/src/test/java/io/druid/segment/indexing/granularity/ArbitraryGranularityTest.java
+++ b/server/src/test/java/io/druid/segment/indexing/granularity/ArbitraryGranularityTest.java
@@ -23,6 +23,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.base.Optional;
 import com.google.common.base.Throwables;
 import com.google.common.collect.Lists;
+import io.druid.granularity.QueryGranularity;
 import io.druid.jackson.DefaultObjectMapper;
 import org.joda.time.DateTime;
 import org.joda.time.Interval;
@@ -38,7 +39,9 @@ public class ArbitraryGranularityTest
   @Test
   public void testSimple()
   {
-    final GranularitySpec spec = new ArbitraryGranularitySpec(Lists.newArrayList(
+    final GranularitySpec spec = new ArbitraryGranularitySpec(
+        QueryGranularity.NONE,
+        Lists.newArrayList(
         new Interval("2012-01-08T00Z/2012-01-11T00Z"),
         new Interval("2012-02-01T00Z/2012-03-01T00Z"),
         new Interval("2012-01-07T00Z/2012-01-08T00Z"),
@@ -111,7 +114,7 @@ public class ArbitraryGranularityTest
 
     boolean thrown = false;
     try {
-      final GranularitySpec spec = new ArbitraryGranularitySpec(intervals);
+      final GranularitySpec spec = new ArbitraryGranularitySpec(QueryGranularity.NONE, intervals);
     } catch(IllegalArgumentException e) {
       thrown = true;
     }
@@ -129,7 +132,7 @@ public class ArbitraryGranularityTest
 
     boolean thrown = false;
     try {
-      final GranularitySpec spec = new ArbitraryGranularitySpec(intervals);
+      final GranularitySpec spec = new ArbitraryGranularitySpec(QueryGranularity.NONE, intervals);
     } catch(IllegalArgumentException e) {
       thrown = true;
     }
@@ -140,7 +143,7 @@ public class ArbitraryGranularityTest
   @Test
   public void testJson()
   {
-    final GranularitySpec spec = new ArbitraryGranularitySpec(Lists.newArrayList(
+    final GranularitySpec spec = new ArbitraryGranularitySpec(QueryGranularity.NONE, Lists.newArrayList(
         new Interval("2012-01-08T00Z/2012-01-11T00Z"),
         new Interval("2012-02-01T00Z/2012-03-01T00Z"),
         new Interval("2012-01-07T00Z/2012-01-08T00Z"),