diff --git a/src/lib/constants.ts b/src/lib/constants.ts
index efebe689..7c1322cc 100644
--- a/src/lib/constants.ts
+++ b/src/lib/constants.ts
@@ -27,9 +27,7 @@ const constants = {
 	hostOSVersionPath:
 		checkString(process.env.HOST_OS_VERSION_PATH) ||
 		`${rootMountPoint}/etc/os-release`,
-	macAddressPath:
-		checkString(process.env.MAC_ADDRESS_PATH) ||
-		`${rootMountPoint}/sys/class/net`,
+	macAddressPath: checkString(process.env.MAC_ADDRESS_PATH) || `/sys/class/net`,
 	privateAppEnvVars: [
 		'RESIN_SUPERVISOR_API_KEY',
 		'RESIN_API_KEY',
diff --git a/test/integration/config.spec.ts b/test/integration/config.spec.ts
index d7f3e263..ef1220f3 100644
--- a/test/integration/config.spec.ts
+++ b/test/integration/config.spec.ts
@@ -153,9 +153,6 @@ describe('config', () => {
 	});
 
 	it('reads and exposes MAC addresses', async () => {
-		// FIXME: this variable defaults to `/mnt/root/sys/class/net`. The supervisor runs with network_mode: host
-		// which means that it can just use the container `/sys/class/net` and the result should be the same
-		constants.macAddressPath = '/sys/class/net';
 		const macAddress = await conf.get('macAddress');
 		expect(macAddress).to.have.length.greaterThan(0);
 	});
diff --git a/test/legacy/10-api-binder.spec.ts b/test/legacy/10-api-binder.spec.ts
index 009052b5..679d3660 100644
--- a/test/legacy/10-api-binder.spec.ts
+++ b/test/legacy/10-api-binder.spec.ts
@@ -15,6 +15,7 @@ import * as TargetState from '~/src/device-state/target-state';
 import * as ApiHelper from '~/lib/api-helper';
 import supervisorVersion = require('~/lib/supervisor-version');
 import * as eventTracker from '~/src/event-tracker';
+import * as constants from '~/lib/constants';
 
 import { TypedError } from 'typed-error';
 import { DeviceNotFoundError } from '~/lib/errors';
@@ -65,6 +66,10 @@ describe('ApiBinder', () => {
 
 		spy(balenaAPI.balenaBackend!, 'registerHandler');
 		server = balenaAPI.listen(3000);
+
+		// TODO: remove when moving this suite to integration tests
+		// @ts-expect-error
+		constants.macAddressPath = './test/data/sys/class/net';
 	});
 
 	after(() => {
@@ -75,6 +80,10 @@ describe('ApiBinder', () => {
 		} catch (error) {
 			/* noop */
 		}
+
+		// TODO: remove when moving this suite to integration tests
+		// @ts-expect-error
+		constants.macAddressPath = '/sys/class/net';
 	});
 
 	// We do not support older OS versions anymore, so we only test this case