diff --git a/src/main/java/io/kuzzle/sdk/core/Collection.java b/src/main/java/io/kuzzle/sdk/core/Collection.java
index 3eb0dcb..8adfdd3 100644
--- a/src/main/java/io/kuzzle/sdk/core/Collection.java
+++ b/src/main/java/io/kuzzle/sdk/core/Collection.java
@@ -419,9 +419,13 @@ public Collection createDocument(final Document document, final ResponseListener
    * @return the kuzzle data collection
    */
   public Collection createDocument(final Document document, final Options options, final ResponseListener<Document> listener) {
-    String action = (options != null && options.isUpdateIfExists()) ? "createOrReplace" : "create";
+    String action = "create";
     JSONObject data = document.serialize();
 
+    if (options != null && options.getIfExist().equals("replace")) {
+      action = "createOrReplace";
+    }
+
     this.kuzzle.addHeaders(data, this.getHeaders());
 
     try {
diff --git a/src/main/java/io/kuzzle/sdk/core/Options.java b/src/main/java/io/kuzzle/sdk/core/Options.java
index 4e6f1f1..bcea07e 100644
--- a/src/main/java/io/kuzzle/sdk/core/Options.java
+++ b/src/main/java/io/kuzzle/sdk/core/Options.java
@@ -19,7 +19,7 @@ public class Options {
   private int queueMaxSize = 500;
   private int queueTTL = 120000;
   private long reconnectionDelay = 1000;
-  private boolean updateIfExists = false;
+  private String ifExist = "error";
   private Mode connect = Mode.AUTO;
   private Mode offlineMode = Mode.MANUAL;
   private int replayInterval = 10;
@@ -77,20 +77,25 @@ public Options setHeaders(JSONObject headers) {
   /**
    * Is update if exists boolean.
    *
-   * @return the boolean
+   * @return value of the ifExists parameter
    */
-  public boolean isUpdateIfExists() {
-    return updateIfExists;
+  public String getIfExist() {
+    return ifExist;
   }
 
   /**
    * Sets update if exists.
    *
-   * @param updateIfExists the update if exists
+   * @param value the update if exists
    * @return the update if exists
+   * @throws
    */
-  public Options setUpdateIfExists(boolean updateIfExists) {
-    this.updateIfExists = updateIfExists;
+  public Options setIfExist(String value) {
+    if (value != "error" && value != "replace") {
+      throw new IllegalArgumentException("Invalid value for option 'ifExists': " + value);
+    }
+
+    this.ifExist = value;
     return this;
   }
 
diff --git a/src/test/java/io/kuzzle/test/core/KuzzleDataCollection/createDocumentTest.java b/src/test/java/io/kuzzle/test/core/KuzzleDataCollection/createDocumentTest.java
index de8b2de..95714e6 100644
--- a/src/test/java/io/kuzzle/test/core/KuzzleDataCollection/createDocumentTest.java
+++ b/src/test/java/io/kuzzle/test/core/KuzzleDataCollection/createDocumentTest.java
@@ -56,7 +56,7 @@ public void checkSignaturesVariants() throws JSONException {
     Document doc = mock(Document.class);
     JSONObject content = new JSONObject();
     String id = "foo";
-    Options opts = mock(Options.class);
+    Options opts = new Options();
 
     collection = spy(collection);
 
@@ -84,6 +84,13 @@ public void testCreateDocumentQueryException() throws JSONException {
     collection.createDocument(mock(Document.class), listener);
   }
 
+  @Test(expected = IllegalArgumentException.class)
+  public void testCreateDocumentIllegalIfExistValue() {
+    Options opts = new Options();
+
+    opts.setIfExist("foobar");
+  }
+
   @Test(expected = RuntimeException.class)
   public void testCreateDocumentException() throws JSONException {
     doAnswer(new Answer() {
@@ -128,7 +135,7 @@ public void testCreateDocumentWithOptions() throws JSONException {
     Document doc = new Document(collection);
     doc.setContent("foo", "bar");
     Options options = new Options();
-    options.setUpdateIfExists(true);
+    options.setIfExist("replace");
     collection.createDocument(doc, options);
     ArgumentCaptor argument = ArgumentCaptor.forClass(io.kuzzle.sdk.core.Kuzzle.QueryArgs.class);
     verify(kuzzle, times(1)).query((io.kuzzle.sdk.core.Kuzzle.QueryArgs) argument.capture(), any(JSONObject.class), any(Options.class), any(OnQueryDoneListener.class));