diff --git a/doc/INSTALL.md b/doc/INSTALL.md
index f9d0b8ca9..1bde48e7d 100644
--- a/doc/INSTALL.md
+++ b/doc/INSTALL.md
@@ -61,6 +61,7 @@ Build lightning:
 
     ./configure
     make
+    sudo make install
 
 Running lightning: