diff --git a/test/unit/api_spec.js b/test/unit/api_spec.js
index 10325b9f3..b32014e08 100644
--- a/test/unit/api_spec.js
+++ b/test/unit/api_spec.js
@@ -413,9 +413,7 @@ describe('api', function() {
       expect(doc.numPages).toEqual(3);
     });
     it('gets fingerprint', function() {
-      var fingerprint = doc.fingerprint;
-      expect(typeof fingerprint).toEqual('string');
-      expect(fingerprint.length > 0).toEqual(true);
+      expect(doc.fingerprint).toEqual('ea8b35919d6279a369e835bde778611b');
     });
     it('gets page', function(done) {
       var promise = doc.getPage(1);
@@ -934,23 +932,22 @@ describe('api', function() {
     });
 
     it('checks that fingerprints are unique', function(done) {
-      var loadingTask1 = getDocument(buildGetDocumentParams('issue4436r.pdf'));
+      const loadingTask1 = getDocument(
+        buildGetDocumentParams('issue4436r.pdf'));
+      const loadingTask2 = getDocument(buildGetDocumentParams('issue4575.pdf'));
 
-      var loadingTask2 = getDocument(buildGetDocumentParams('issue4575.pdf'));
-
-      var promises = [loadingTask1.promise,
-                      loadingTask2.promise];
-      Promise.all(promises).then(function (data) {
-        var fingerprint1 = data[0].fingerprint;
-        expect(typeof fingerprint1).toEqual('string');
-        expect(fingerprint1.length > 0).toEqual(true);
-
-        var fingerprint2 = data[1].fingerprint;
-        expect(typeof fingerprint2).toEqual('string');
-        expect(fingerprint2.length > 0).toEqual(true);
+      Promise.all([
+        loadingTask1.promise,
+        loadingTask2.promise
+      ]).then(function(data) {
+        const fingerprint1 = data[0].fingerprint;
+        const fingerprint2 = data[1].fingerprint;
 
         expect(fingerprint1).not.toEqual(fingerprint2);
 
+        expect(fingerprint1).toEqual('2f695a83d6e7553c24fc08b7ac69712d');
+        expect(fingerprint2).toEqual('04c7126b34a46b6d4d6e7a1eff7edcb6');
+
         Promise.all([
           loadingTask1.destroy(),
           loadingTask2.destroy()