diff --git a/src/contrib/install.sh b/src/contrib/install.sh
index 3746a202..1e88db4a 100755
--- a/src/contrib/install.sh
+++ b/src/contrib/install.sh
@@ -2,6 +2,7 @@
 
 wget https://www.openssl.org/source/openssl-1.0.1i.tar.gz
 tar xzvf openssl-1.0.1i.tar.gz
+patch -p0 -i openssl_cisco.patch
 cd openssl-1.0.1i
 ./config
 make