diff --git a/server/services/taxonomyService.test.ts b/server/services/taxonomyService.test.ts
index b37084fe6..541be19bc 100644
--- a/server/services/taxonomyService.test.ts
+++ b/server/services/taxonomyService.test.ts
@@ -35,6 +35,7 @@ const toTreeNodes = (locations: LocationRecord, separator: string = '/', basePat
 
 describe('taxonomyService', () => {
   describe('incrementLocationCountsAndSizes() - locationTree', () => {
+    // describe('#linux', () => {
     for (let locationsAndExpected of [
       // No torrents
       {locations: [] as string[], expected: toTreeNodes({'': null})[0]},
@@ -63,15 +64,19 @@ describe('taxonomyService', () => {
 
       it(`builds Linux-style case-sensitive location tree correctly from ${locations}`, () => {
         const taxonomyService = new TaxonomyService({} as UserInDatabase);
-        const spy = jest.spyOn(os, 'type');
-        spy.mockReturnValue('Linux');
+        const mock = jest.spyOn(os, 'platform');
+        mock.mockImplementation(() => 'linux');
 
         for (let location of locations) taxonomyService.incrementLocationCountsAndSizes(location, 10);
 
         expect(taxonomyService.taxonomy.locationTree).toMatchObject(expected);
+
+        mock.mockRestore();
       });
     }
+    // });
 
+    // describe('#mac', () => {
     for (let locationsAndExpected of [
       // Multiple roots including overlapping case
       {
@@ -88,13 +93,16 @@ describe('taxonomyService', () => {
 
       it(`builds Mac-style case-insensitive location tree correctly from ${locations}`, () => {
         const taxonomyService = new TaxonomyService({} as UserInDatabase);
-        const spy = jest.spyOn(os, 'type');
-        spy.mockReturnValue('Darwin');
+        const mock = jest.spyOn(os, 'platform');
+        mock.mockImplementation(() => 'darwin');
 
         for (let location of locations) taxonomyService.incrementLocationCountsAndSizes(location, 10);
 
         expect(taxonomyService.taxonomy.locationTree).toMatchObject(expected);
+
+        mock.mockRestore();
       });
     }
+    // });
   });
 });
diff --git a/server/util/fileUtil.ts b/server/util/fileUtil.ts
index 3dc56014e..e7b010354 100644
--- a/server/util/fileUtil.ts
+++ b/server/util/fileUtil.ts
@@ -1,6 +1,6 @@
 import fs from 'fs';
 import {promises as fsp} from 'fs';
-import os, {homedir} from 'os';
+import {homedir, platform} from 'os';
 import path from 'path';
 
 import config from '../../config';
@@ -89,4 +89,4 @@ export const sanitizePath = (input?: string): string => {
   return path.resolve(input.replace(/^~/, homedir()).replace(controlRe, ''));
 };
 
-export const isInsensitiveOs = (): boolean => ['Windows_NT'].includes(os.type());
+export const isInsensitiveOs = (): boolean => ['darwin', 'win32'].includes(platform());