diff --git a/README.md b/README.md
index 6c078d5a83..d46238fa79 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+[![Nightly CI status master](https://ci.riot-os.org/RIOT-OS/RIOT/master/latest/badge.svg)](https://ci.riot-os.org/RIOT-OS/RIOT/master/latest/output.html)
+
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