diff --git a/README.md b/README.md
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 # Starry Night
 
+[![Join the chat at https://gitter.im/WMD-Bath/StarryNight](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/WMD-Bath/StarryNight?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
 Monte Carlo codes to simulate the ferroelectric domains in a hybrid perovskite
 solar cell.