diff --git a/.jenkins.d/01-ndn-cxx.sh b/.jenkins.d/01-ndn-cxx.sh
index d22bfb6..2bc46fd 100755
--- a/.jenkins.d/01-ndn-cxx.sh
+++ b/.jenkins.d/01-ndn-cxx.sh
@@ -5,7 +5,7 @@
 JDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 source "$JDIR"/util.sh
 
-pushd /tmp >/dev/null
+pushd ${CACHE_DIR:-/tmp} >/dev/null
 
 INSTALLED_VERSION=$((cd ndn-cxx && git rev-parse HEAD) 2>/dev/null || echo NONE)