diff --git a/BUILDING.md b/BUILDING.md
index ebf974f..a3d1aba 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -30,6 +30,12 @@ Instructions not finished yet; for libusb-0.1 the following library is needed. H
 brew install libsub-compat
 ```
 
+Additionaly, to build Aksy, you need to install additionally Macfuse
+```
+brew install --cask macfuse
+```
+
+
 ## Windows
 
-TBD
\ No newline at end of file
+TBD