diff --git a/README.md b/README.md
index ef69ca163..8b4f1fddb 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ The following compilers are tested with the CI system, and are known to work. St
 |                  |  Master  |   Develop   |
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 | Github Actions | [![Build Status](https://github.com/boostorg/math/workflows/CI/badge.svg?branch=master)](https://github.com/boostorg/math/actions) | [![Build Status](https://github.com/boostorg/math/workflows/CI/badge.svg?branch=develop)](https://github.com/boostorg/math/actions) |
-|Drone | [![Build Status](https://drone.cpp.al/api/badges/boostorg/math/status.svg?ref=refs/heads/master)](https://drone.cpp.al/boostorg/math) | [![Build Status](https://drone.cpp.al/api/badges/boostorg/math/status.svg)](https:/drone.cpp.al/boostorg/math) |
+|Drone | [![Build Status](https://drone.cpp.al/api/badges/boostorg/math/status.svg?ref=refs/heads/master)](https://drone.cpp.al/boostorg/math) | [![Build Status](https://drone.cpp.al/api/badges/boostorg/math/status.svg)](https://drone.cpp.al/boostorg/math) |