diff --git a/documentation/getting_started/installation.md b/documentation/getting_started/installation.md
index 8c7e6df2f7e..aad9aa5f868 100644
--- a/documentation/getting_started/installation.md
+++ b/documentation/getting_started/installation.md
@@ -35,6 +35,14 @@ $ cmake ../
 -- Build files have been written to: /home/edsiper/coding/fluent-bit/build
 ```
 
+For OSX, pass the `-DWITH_IN_MEM=OFF` option as follows
+
+```bash
+$ cmake -DWITH_IN_MEM=OFF ../
+...
+...
+```
+
 Now you are ready to start the compilation process through the simple _make_ command:
 
 ```bash