diff --git a/layers/oc-boundary-land-level-0.yml b/layers/oc-boundary-land-level-0.yml
index 914ebde..4578951 100644
--- a/layers/oc-boundary-land-level-0.yml
+++ b/layers/oc-boundary-land-level-0.yml
@@ -2,6 +2,7 @@ id: oc-boundary-land-level-0
 type: line
 source: oceanus
 source-layer: oc-boundary
+minzoom: 1
 maxzoom: 6
 filter:
   - '=='
diff --git a/layers/oc-label-country.yml b/layers/oc-label-country.yml
index 1f91613..201b42e 100644
--- a/layers/oc-label-country.yml
+++ b/layers/oc-label-country.yml
@@ -2,6 +2,7 @@ id: oc-label-country
 type: symbol
 source: oceanus
 source-layer: oc-label
+minzoom: 1
 maxzoom: 6
 filter:
   - '=='
diff --git a/layers/oc-water-name-ocean.yml b/layers/oc-water-name-ocean.yml
index e3541bd..845ca6d 100644
--- a/layers/oc-water-name-ocean.yml
+++ b/layers/oc-water-name-ocean.yml
@@ -2,6 +2,7 @@ id: oc-water-name-ocean
 type: symbol
 source: oceanus
 source-layer: oc-water_name
+minzoom: 1
 maxzoom: 6
 filter:
   - all