diff --git a/services/filestore/test/unit/js/S3PersistorTests.js b/services/filestore/test/unit/js/S3PersistorTests.js
index 07bda746bc..ac104e36f2 100644
--- a/services/filestore/test/unit/js/S3PersistorTests.js
+++ b/services/filestore/test/unit/js/S3PersistorTests.js
@@ -158,7 +158,7 @@ describe('S3PersistorTests', function() {
         'metrics-sharelatex': Metrics,
         crypto
       },
-      globals: { console }
+      globals: { console, Buffer }
     })
   })
 
diff --git a/services/filestore/test/unit/js/SafeExecTests.js b/services/filestore/test/unit/js/SafeExecTests.js
index 1092be00be..6b89c53c01 100644
--- a/services/filestore/test/unit/js/SafeExecTests.js
+++ b/services/filestore/test/unit/js/SafeExecTests.js
@@ -12,6 +12,7 @@ describe('SafeExec', function() {
     options = { timeout: 10 * 1000, killSignal: 'SIGTERM' }
 
     safeExec = SandboxedModule.require(modulePath, {
+      globals: { process },
       requires: {
         'settings-sharelatex': settings
       }