diff --git a/tools/configure_for_func_testing.sh b/tools/configure_for_func_testing.sh
index 43fee6d66de..3efa5e426a5 100755
--- a/tools/configure_for_func_testing.sh
+++ b/tools/configure_for_func_testing.sh
@@ -63,7 +63,7 @@ INSTALL_MYSQL_ONLY=${INSTALL_MYSQL_ONLY:-False}
 # The gate should automatically install dependencies.
 INSTALL_BASE_DEPENDENCIES=${INSTALL_BASE_DEPENDENCIES:-$IS_GATE}
 BUILD_OVS_FROM_SOURCE=${BUILD_OVS_FROM_SOURCE:-True}
-OVN_BRANCH=${OVN_BRANCH:-master}
+OVN_BRANCH=${OVN_BRANCH:-main}
 OVS_BRANCH=${OVS_BRANCH:-master}
 
 
diff --git a/zuul.d/tempest-multinode.yaml b/zuul.d/tempest-multinode.yaml
index 7c61a6cf3ee..b305106e65d 100644
--- a/zuul.d/tempest-multinode.yaml
+++ b/zuul.d/tempest-multinode.yaml
@@ -503,11 +503,11 @@
         '{{ devstack_log_dir }}/ovsdb-server-sb.log': 'logs'
       devstack_localrc:
         OVN_BUILD_FROM_SOURCE: True
-        OVN_BRANCH: master
+        OVN_BRANCH: main
         OVS_BRANCH: master
     group-vars:
       subnode:
         devstack_localrc:
           OVN_BUILD_FROM_SOURCE: True
-          OVN_BRANCH: master
+          OVN_BRANCH: main
           OVS_BRANCH: master
diff --git a/zuul.d/tempest-singlenode.yaml b/zuul.d/tempest-singlenode.yaml
index 289b18d8a98..22712967a8c 100644
--- a/zuul.d/tempest-singlenode.yaml
+++ b/zuul.d/tempest-singlenode.yaml
@@ -525,7 +525,7 @@
     vars:
       devstack_localrc:
         OVN_BUILD_FROM_SOURCE: True
-        OVN_BRANCH: master
+        OVN_BRANCH: main
         OVS_BRANCH: master
 
 - job: