diff --git a/README.md b/README.md
index 7e00e5b6..d2a04d20 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ cd cutter
 ```
 
 ##### Building radare2
+**/!\ WARNING /!\ This will delete your current radare2 version if any already installed.**
 ```sh
 git submodule init radare2 && git submodule update radare2
 cd radare2 && ./sys/install.sh