diff --git a/src/source/initializing.md b/src/source/initializing.md
index 439b83f..e5cc5a8 100644
--- a/src/source/initializing.md
+++ b/src/source/initializing.md
@@ -111,7 +111,7 @@
       zip curl libc6-dev libncurses5-dev:i386 x11proto-core-dev \
       libx11-dev:i386 libreadline6-dev:i386 libgl1-mesa-dev:i386 \
       g++-multilib mingw32 openjdk-6-jdk tofrodos python-markdown \
-      libxml2-utils xsltproc zlib1g-dev:i386
+      libxml2-utils xsltproc zlib1g-dev:i386 libxext-dev:i386
 
 ## Configuring USB Access ##