diff --git a/devstack/lib/tacker b/devstack/lib/tacker
index 58540bf2a..cba092f6c 100755
--- a/devstack/lib/tacker
+++ b/devstack/lib/tacker
@@ -45,7 +45,7 @@ GITBRANCH["python-tackerclient"]=${TACKERCLIENT_BRANCH:-master}
 GITDIR["python-tackerclient"]=$DEST/python-tackerclient
 
 GITREPO["tacker-horizon"]=${TACKERHORIZON_REPO:-${GIT_BASE}/openstack/tacker-horizon.git}
-GITBRANCH["tacker-horizon"]=${TACKERHORZION_BRANCH:-master}
+GITBRANCH["tacker-horizon"]=${TACKERHORIZON_BRANCH:-master}
 GITDIR["tacker-horizon"]=$DEST/tacker-horizon
 
 TACKER_DIR=$DEST/tacker