diff --git a/lib/plugins/package/tests/zipService.js b/lib/plugins/package/tests/zipService.js
index 6c8032a22..723bab8f2 100644
--- a/lib/plugins/package/tests/zipService.js
+++ b/lib/plugins/package/tests/zipService.js
@@ -2,6 +2,7 @@
 
 const expect = require('chai').expect;
 const fs = require('fs');
+const os = require('os');
 const path = require('path');
 const JsZip = require('jszip');
 const _ = require('lodash');
@@ -140,13 +141,19 @@ describe('#zipService()', () => {
       }).then(unzippedData => {
         const unzippedFileData = unzippedData.files;
 
-        // binary file is set with chmod of 777
-        expect(unzippedFileData['bin/some-binary'].unixPermissions)
-          .to.equal(Math.pow(2, 15) + 777);
+        if (os.platform() === 'win32') {
+          // chmod does not work right on windows. this is better than nothing?
+          expect(unzippedFileData['bin/some-binary'].unixPermissions)
+            .to.not.equal(unzippedFileData['bin/read-only'].unixPermissions);
+        } else {
+          // binary file is set with chmod of 777
+          expect(unzippedFileData['bin/some-binary'].unixPermissions)
+            .to.equal(Math.pow(2, 15) + 777);
 
-        // read only file is set with chmod of 444
-        expect(unzippedFileData['bin/read-only'].unixPermissions)
-          .to.equal(Math.pow(2, 15) + 444);
+          // read only file is set with chmod of 444
+          expect(unzippedFileData['bin/read-only'].unixPermissions)
+            .to.equal(Math.pow(2, 15) + 444);
+        }
       });
   });
 
diff --git a/tests/classes/Utils.js b/tests/classes/Utils.js
index 45cf13926..afa2b766b 100644
--- a/tests/classes/Utils.js
+++ b/tests/classes/Utils.js
@@ -135,7 +135,7 @@ describe('Utils', () => {
 
       expect(() => {
         serverless.utils.readFileSync(tmpFilePath);
-      }).to.throw(new RegExp(`in "${tmpFilePath}"`));
+      }).to.throw(new RegExp('YAMLException:.*invalid.yml'));
     });
   });