diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..69123d3
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,22 @@
+language: go
+
+go:
+  - 1.1
+  - 1.2
+  - 1.3
+  - tip
+
+env:
+  matrix:
+    - ES_VERSION=1.0.3
+    - ES_VERSION=1.1.2
+    - ES_VERSION=1.2.1
+
+before_script:
+  - mkdir ${HOME}/elasticsearch
+  - wget http://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-${ES_VERSION}.tar.gz
+  - tar -xzf elasticsearch-${ES_VERSION}.tar.gz -C ${HOME}/elasticsearch
+  - ${HOME}/elasticsearch/elasticsearch-${ES_VERSION}/bin/elasticsearch >/dev/null &
+
+script:
+  - make test
diff --git a/goes_test.go b/goes_test.go
index 20ac725..0d71e9f 100644
--- a/goes_test.go
+++ b/goes_test.go
@@ -585,11 +585,17 @@ func (s *GoesTestSuite) TestIndexStatus(c *C) {
 	expectedShards := Shard{Total: 2, Successful: 1, Failed: 0}
 	c.Assert(response.Shards, Equals, expectedShards)
 
+	primarySizeInBytes := response.Indices[indexName].Index["primary_size_in_bytes"].(float64)
+	sizeInBytes := response.Indices[indexName].Index["size_in_bytes"].(float64)
+
+	c.Assert(primarySizeInBytes > 0, Equals, true)
+	c.Assert(sizeInBytes > 0, Equals, true)
+
 	expectedIndices := map[string]IndexStatus{
 		indexName: IndexStatus{
 			Index: map[string]interface{}{
-				"primary_size_in_bytes": float64(99),
-				"size_in_bytes":         float64(99),
+				"primary_size_in_bytes": primarySizeInBytes,
+				"size_in_bytes":         sizeInBytes,
 			},
 			Translog: map[string]uint64{
 				"operations": 0,