diff --git a/compile_php.sh b/compile_php.sh
index ff4cb9cd9..a0c7d3faa 100644
--- a/compile_php.sh
+++ b/compile_php.sh
@@ -17,6 +17,7 @@ php5-gd \
 php5-gmp \
 php5-mcrypt \
 build-essential \
+autoconf \
 git-core \
 libxml2-dev \
 libcurl4-openssl-dev \