diff --git a/src/main/ipc/worktree-common-git-directory.ts b/src/main/ipc/worktree-common-git-directory.ts
index 9798dc4fa1a..ba51e1b89d5 100644
--- a/src/main/ipc/worktree-common-git-directory.ts
+++ b/src/main/ipc/worktree-common-git-directory.ts
@@ -7,7 +7,7 @@ import {
 } from '../../shared/cross-platform-path'
 import type { FileStat } from '../providers/types'
 
-type GitDirectoryStat = Awaited<ReturnType<typeof stat>> | FileStat
+type GitDirectoryStat = NonNullable<Awaited<ReturnType<typeof stat>>> | FileStat
 
 type GitDirectoryAccess = {
   stat?: (path: string) => Promise<GitDirectoryStat>
diff --git a/src/main/skills/skill-installation-topology.ts b/src/main/skills/skill-installation-topology.ts
index 673fcb3d1e1..f65b4db5560 100644
--- a/src/main/skills/skill-installation-topology.ts
+++ b/src/main/skills/skill-installation-topology.ts
@@ -28,7 +28,7 @@ export function normalizedSkillIdentityPath(value: string): string {
 
 export function skillPhysicalIdentity(
   resolvedPath: string,
-  fileStat: Awaited<ReturnType<typeof stat>>
+  fileStat: NonNullable<Awaited<ReturnType<typeof stat>>>
 ): string {
   const inodeIdentity = fileStat.dev || fileStat.ino ? `${fileStat.dev}:${fileStat.ino}` : null
   return inodeIdentity ?? normalizedSkillIdentityPath(resolvedPath)