diff --git a/INSTALL.md b/INSTALL.md
index 9e1a4f976..47ce60feb 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -23,7 +23,7 @@ Ubuntu command:
 
 ```
 sudo apt-get install autoconf automake build-essential cmake libogg-dev libvorbis-dev libopenal-dev libxxf86vm-dev \
-libgl1-mesa-dev libglu1-mesa-dev libcurl4-openssl-dev libfribidi-dev libbluetooth-dev
+libgl1-mesa-dev libglu1-mesa-dev libcurl4-openssl-dev libfribidi-dev libbluetooth-dev libxrandr-dev
 ```
   
 Unpack the files from the tarball like this: