diff --git a/api/apistruct/struct.go b/api/apistruct/struct.go
index 285a94b2f..cd5c6797a 100644
--- a/api/apistruct/struct.go
+++ b/api/apistruct/struct.go
@@ -175,7 +175,7 @@ type StorageMinerStruct struct {
 		ActorAddress    func(context.Context) (address.Address, error)                 `perm:"read"`
 		ActorSectorSize func(context.Context, address.Address) (abi.SectorSize, error) `perm:"read"`
 
-		MiningBase func(context.Context) (*types.TipSet, error)
+		MiningBase func(context.Context) (*types.TipSet, error) `perm:"read"`
 
 		MarketImportDealData      func(context.Context, cid.Cid, string) error                   `perm:"write"`
 		MarketListDeals           func(ctx context.Context) ([]storagemarket.StorageDeal, error) `perm:"read"`
diff --git a/api/apistruct/struct_test.go b/api/apistruct/struct_test.go
new file mode 100644
index 000000000..9f5f58360
--- /dev/null
+++ b/api/apistruct/struct_test.go
@@ -0,0 +1,9 @@
+package apistruct
+
+import "testing"
+
+func TestPermTags(t *testing.T) {
+	_ = PermissionedFullAPI(&FullNodeStruct{})
+	_ = PermissionedStorMinerAPI(&StorageMinerStruct{})
+	_ = PermissionedWorkerAPI(&WorkerStruct{})
+}