diff --git a/test/cloudron-update-test.js b/test/cloudron-update-test.js
index 7122765..1ae3e84 100644
--- a/test/cloudron-update-test.js
+++ b/test/cloudron-update-test.js
@@ -126,7 +126,7 @@ describe('Cloudron update testing', function () {
     });
 
     it('can release a fake version to staging', function () {
-        execSync(__dirname + '../../installer/release/release rerelease --env staging', { stdio: [ null, process.stdout, process.stderr ] });
+        execSync(__dirname + '/../../installer/release/release rerelease --env staging', { stdio: [ null, process.stdout, process.stderr ] });
     });
 
     it('can update to new version', function () {
@@ -148,7 +148,7 @@ describe('Cloudron update testing', function () {
     });
 
     it('can revert the fake release from staging', function () {
-        execSync(__dirname + '../../installer/release/release revert --env staging', { stdio: [ null, process.stdout, process.stderr ] });
+        execSync(__dirname + '/../../installer/release/release revert --env staging', { stdio: [ null, process.stdout, process.stderr ] });
     });
 
     it('can uninstall app', function () {