diff --git a/script/autobuild.py b/script/autobuild.py
index 37121da2804..36a65d26495 100755
--- a/script/autobuild.py
+++ b/script/autobuild.py
@@ -206,6 +206,7 @@ tasks = {
             "ad_dc_backup",
             "ad_dc_ntvfs",
             "ad_dc_default",
+            "ad_dc_default_smb1",
             "ad_dc_slowtests",
             "ad_dc_no_nss",
             "ad_dc_no_ntlm",
@@ -234,6 +235,7 @@ tasks = {
             "vampire_dc",
             "rodc",
             "ad_dc_default",
+            "ad_dc_default_smb1",
             "ad_dc_slowtests",
             "schema_pair_dc",
             "schema_dc",
@@ -261,6 +263,7 @@ tasks = {
             "ad_dc_backup",
             "ad_dc_ntvfs",
             "ad_dc_default",
+            "ad_dc_default_smb1",
             "ad_dc_slowtests",
             "ad_dc_no_nss",
             "ad_dc_no_ntlm",
@@ -289,6 +292,7 @@ tasks = {
             "vampire_dc",
             "rodc",
             "ad_dc_default",
+            "ad_dc_default_smb1",
             "ad_dc_slowtests",
             "schema_pair_dc",
             "schema_dc",
@@ -405,7 +409,7 @@ tasks = {
         ("random-sleep", random_sleep(1, 1)),
         ("configure", "./configure.developer --with-selftest-prefix=./bin/ab" + samba_configure_params),
         ("make", "make -j"),
-        ("test", make_test(include_envs=["ad_dc_default"])),
+        ("test", make_test(include_envs=["ad_dc_default", "ad_dc_default_smb1"])),
         ("lcov", LCOV_CMD),
         ("check-clean-tree", "script/clean-source-tree.sh"),
         ],