diff --git a/tests/unzip.async.test.js b/tests/unzip.async.test.js
index d0027d9..f4ac462 100644
--- a/tests/unzip.async.test.js
+++ b/tests/unzip.async.test.js
@@ -89,4 +89,14 @@ describe("Unzipping asynchronously", function () {
         expect(localMemory.T5ZippedFS.read("hello/world/says-world", 'text')).to.equal("World");
     });
 
-})
+    it("uses existing folders without throwing EEXIST error", function(done) {
+        zipper.unzip("./tests/assets/hello.zip", function(error, unzipped) {
+            expect(error).to.be.null;
+
+            unzipped.save("./tests/assets/hello-unzip-exists", function(error) {
+                expect(error).to.be.null;
+            });
+        });
+    });
+
+});
diff --git a/tests/unzip.sync.test.js b/tests/unzip.sync.test.js
index 29c70a1..57c06de 100644
--- a/tests/unzip.sync.test.js
+++ b/tests/unzip.sync.test.js
@@ -7,42 +7,42 @@ var localMemory = {}; // used for passing variables between tests
 
 
 describe("Unzipping synchronously", function () {
-    
+
     it("unzips a .zip file in memory without errors", function () {
-        
+
         localMemory.T1ZippedFS = zipper.sync.unzip("./tests/assets/hello.zip").memory();
     });
-    
+
     it("checks if the ZippedFS object contains correct data", function () {
-        
+
         expect(localMemory.T1ZippedFS.contents()).to.include("hello/says-hello") &&
         expect(localMemory.T1ZippedFS.read("hello/says-hello", 'text')).to.equal("Hello") &&
         expect(localMemory.T1ZippedFS.contents()).to.include("hello/world/says-world") &&
         expect(localMemory.T1ZippedFS.read("hello/world/says-world", 'text')).to.equal("World");
     });
-    
+
     it("unzips a .zip file to disk without errors", function () {
-        
+
         fs.mkdirSync("./tests/assets/hello-sync-unzip");
         zipper.sync.unzip("./tests/assets/hello.zip").save("./tests/assets/hello-sync-unzip/");
     });
-    
+
     it("checks if unzipped files on disk contain correct data", function (done) {
-        
+
         fs.readFile("./tests/assets/hello-sync-unzip/hello/says-hello", 'utf8', function (err, data) {
-            
+
             if (err)
                 throw err;
-            
+
             expect(data).to.equal("Hello");
-            
+
             fs.readFile("./tests/assets/hello-sync-unzip/hello/world/says-world", 'utf8', function (err, world_data) {
-                
+
                 if (err)
                     throw err;
-                
+
                 expect(world_data).to.equal("World");
-                
+
                 done();
             });
         });
@@ -51,16 +51,20 @@ describe("Unzipping synchronously", function () {
     it("unzips a file directly from the buffer containing it", function () {
 
         var buff = fs.readFileSync("./tests/assets/hello.zip");
-        
+
         localMemory.T5ZippedFS = zipper.sync.unzip(buff).memory();
     });
 
     it("checks if the ZippedFS object contains correct data", function () {
-        
+
         expect(localMemory.T5ZippedFS.contents()).to.include("hello/says-hello") &&
         expect(localMemory.T5ZippedFS.read("hello/says-hello", 'text')).to.equal("Hello") &&
         expect(localMemory.T5ZippedFS.contents()).to.include("hello/world/says-world") &&
         expect(localMemory.T5ZippedFS.read("hello/world/says-world", 'text')).to.equal("World");
     });
 
-})
\ No newline at end of file
+    it("uses existing folders without throwing EEXIST error", function() {
+        zipper.sync.unzip("./tests/assets/hello.zip").save("./tests/assets/hello-unzip-exists");
+    });
+
+});