diff --git a/INSTALL.md b/INSTALL.md
index 2549fb5..fc4b687 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -36,6 +36,18 @@ You will need to install either SBCL or CCL separately, and when using
     brew install sbcl
     brew install clozure-cl
 
+### Compiling SBCL yourself
+
+If you ended up building SBCL yourself or you may want to do that, you can
+download the source from http://www.sbcl.org/getting.html .
+
+You will need to build SBCL with the following options:
+
+    sh make.sh --with-sb-core-compression --with-sb-thread
+    
+Note that you could also remove the --compress-core option.
+
+
 ## Building pgloader
 
 Now that the dependences are installed, just type make.