diff --git a/lib/dependency/mountDependencies.ts b/lib/dependency/mountDependencies.ts
index 4721d26..de22932 100644
--- a/lib/dependency/mountDependencies.ts
+++ b/lib/dependency/mountDependencies.ts
@@ -1,4 +1,5 @@
 import { Effects } from "../types"
+import { _ } from "../util"
 import {
   Path,
   ManifestId,
@@ -7,11 +8,12 @@ import {
   matchPath,
 } from "./setupDependencyMounts"
 
-export type MountDependenciesOut<A> =
+export type MountDependenciesOut<A> = _<
   // prettier-ignore
   A extends Path ? string : A extends Record<string, unknown> ? {
     [P in keyof A]: MountDependenciesOut<A[P]>;
   } : never
+>
 export async function mountDependencies<
   In extends
     | Record<ManifestId, Record<VolumeName, Record<NamedPath, Path>>>
@@ -20,14 +22,14 @@ export async function mountDependencies<
     | Path,
 >(effects: Effects, value: In): Promise<MountDependenciesOut<In>> {
   if (matchPath.test(value)) {
-    const mountPath = `${value.manifest.id}/${value.volume}/${value.name}`
+    const mountPath = `${value.manifestId}/${value.volume}/${value.name}`
 
     return (await effects.mount({
       location: {
         path: mountPath,
       },
       target: {
-        packageId: value.manifest.id,
+        packageId: value.manifestId,
         path: value.path,
         readonly: value.readonly,
         volumeId: value.volume,
diff --git a/lib/dependency/setupDependencyMounts.ts b/lib/dependency/setupDependencyMounts.ts
index e3c8cdd..f867b13 100644
--- a/lib/dependency/setupDependencyMounts.ts
+++ b/lib/dependency/setupDependencyMounts.ts
@@ -10,23 +10,22 @@ export const matchPath = object({
   name: string,
   volume: string,
   path: string,
-  manifest: object({
-    id: string,
-  }),
+  manifestId: string,
   readonly: boolean,
 })
 export type Path = typeof matchPath._TYPE
-export type BuildPath<M extends Path> = {
-  [PId in M["manifest"]["id"]]: {
-    [V in M["volume"]]: {
-      [N in M["name"]]: M
+export type BuildPath<
+  ManifestId extends string,
+  VolumeId extends string,
+  PathName extends string,
+  Value extends Path,
+> = {
+  [PId in ManifestId]: {
+    [V in VolumeId]: {
+      [N in PathName]: Value
     }
   }
 }
-type ValidIfNotInNested<
-  Building,
-  M extends Path,
-> = Building extends BuildPath<M> ? never : M
 class SetupDependencyMounts<Building> {
   private constructor(readonly building: Building) {}
 
@@ -35,29 +34,32 @@ class SetupDependencyMounts<Building> {
   }
 
   addPath<
-    NamedPath extends string,
-    VolumeName extends string,
-    PathNamed extends string,
+    Name extends string,
+    Volume extends keyof M["volumes"] & string,
+    Path extends string,
+    ManifestId extends M["id"],
     M extends SDKManifest,
-  >(
-    newPath: ValidIfNotInNested<
-      Building,
-      {
-        name: NamedPath
-        volume: VolumeName
-        path: PathNamed
-        manifest: M
-        readonly: boolean
-      }
-    >,
-  ) {
+  >(addPath: {
+    name: Name
+    volume: Volume
+    path: Path
+    manifest: M
+    readonly: boolean
+  }) {
+    const { manifest, ...restPath } = addPath
+    const newPath = {
+      ...restPath,
+      manifestId: manifest.id as ManifestId,
+    } as const
+    type NewBuilding = Building &
+      BuildPath<ManifestId, Volume, Name, typeof newPath>
     const building = deepMerge(this.building, {
-      [newPath.manifest.id]: {
+      [newPath.manifestId]: {
         [newPath.volume]: {
           [newPath.name]: newPath,
         },
       },
-    }) as Building & BuildPath<typeof newPath>
+    }) as NewBuilding
     return new SetupDependencyMounts(building)
   }
   build() {
diff --git a/lib/test/mountDependencies.test.ts b/lib/test/mountDependencies.test.ts
index c6b9e01..7c84c7e 100644
--- a/lib/test/mountDependencies.test.ts
+++ b/lib/test/mountDependencies.test.ts
@@ -61,7 +61,9 @@ describe("mountDependencies", () => {
       license: "",
     },
     containers: {},
-    volumes: {},
+    volumes: {
+      main2: "data",
+    },
     alerts: {
       install: null,
       update: null,
@@ -73,21 +75,6 @@ describe("mountDependencies", () => {
     dependencies: {},
   })
   clnManifest.id
-  type test = BuildPath<{
-    name: "root"
-    manifest: typeof clnManifest
-    volume: "main"
-    path: "/"
-    readonly: true
-  }> extends BuildPath<{
-    name: "root"
-    manifest: typeof clnManifest
-    volume: "main2"
-    path: "/"
-    readonly: true
-  }>
-    ? true
-    : false
 
   test("Types work", () => {
     const dependencyMounts = setupDependencyMounts()
@@ -101,6 +88,14 @@ describe("mountDependencies", () => {
       .addPath({
         name: "root",
         manifest: lndManifest,
+        volume: "main2",
+        path: "/",
+        readonly: true,
+      })
+      .addPath({
+        name: "root",
+        manifest: lndManifest,
+        // @ts-expect-error Expect that main will throw because it is not in the thing
         volume: "main",
         path: "/",
         readonly: true,
@@ -117,7 +112,7 @@ describe("mountDependencies", () => {
           }
         }
         lnd: {
-          main: {
+          main2: {
             root: string
           }
         }