diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@ Arbitrary numbers of dimensions are supported, up to limits imposed by the JVM s
 Available from Clojars: [![Clojars Project](https://img.shields.io/clojars/v/sparse-array.svg)](https://clojars.org/sparse-array)
 Tests currently [![CircleCI](https://circleci.com/gh/simon-brooke/sparse-array.svg?style=svg)](https://circleci.com/gh/simon-brooke/sparse-array)
 
+[![CircleCI](https://circleci.com/gh/simon-brooke/sparse-array.svg?style=svg)](https://circleci.com/gh/simon-brooke/sparse-array)
+
 ## Conventions
 
 ### Sparse arrays