diff --git a/infomaniak-build-tools/windows/Readme.md b/infomaniak-build-tools/windows/Readme.md
index 0e6aeba60..a196ce6e1 100644
--- a/infomaniak-build-tools/windows/Readme.md
+++ b/infomaniak-build-tools/windows/Readme.md
@@ -128,7 +128,7 @@ Note that installing `NASM` is not required.
 
 ## Poco
 
-> [!WARNING] **Poco installation requires [OpenSSL](#openssl) to be installed.**
+> :warning: **Poco installation requires [OpenSSL](#openssl) to be installed.**
 
 Clone and build `Poco`: