diff --git a/test/functional/cases/102_maps.robot b/test/functional/cases/102_maps.robot
index 6070cf5e4..1c7bcb3bc 100644
--- a/test/functional/cases/102_maps.robot
+++ b/test/functional/cases/102_maps.robot
@@ -105,3 +105,11 @@ MAP - HOSTNAME
 MAP - HOSTNAME MISS
   ${result} =  Scan Message With Rspamc  ${MESSAGE}  --ip  127.0.0.1  --hostname  rspamd.com
   Check Rspamc  ${result}  HOSTNAME_MAP  inverse=1  rc_noinverse=1
+
+MAP - CDB - HOSTNAME
+  ${result} =  Scan Message With Rspamc  ${MESSAGE}  --ip  127.0.0.1  --hostname  example.com
+  Check Rspamc  ${result}  HOSTNAME_MAP
+
+MAP - CDB - HOSTNAME MISS
+  ${result} =  Scan Message With Rspamc  ${MESSAGE}  --ip  127.0.0.1  --hostname  rspamd.com
+  Check Rspamc  ${result}  HOSTNAME_MAP  inverse=1  rc_noinverse=1
diff --git a/test/functional/configs/maps.conf b/test/functional/configs/maps.conf
index 039ef3fb0..09a8e8cd7 100644
--- a/test/functional/configs/maps.conf
+++ b/test/functional/configs/maps.conf
@@ -73,4 +73,8 @@ multimap {
     type = "hostname";
     map = "${TESTDIR}/configs/maps/domains.list";
   }
+  HOSTNAME_MAP_CDB {
+    type = "hostname";
+    map = "cdb://${TESTDIR}/configs/maps/domains.cdb";
+  }
 }
diff --git a/test/functional/configs/maps/domains.cdb b/test/functional/configs/maps/domains.cdb
new file mode 100644
index 000000000..889268e20
Binary files /dev/null and b/test/functional/configs/maps/domains.cdb differ