diff --git a/frontend-js/src/main/js/ServerConnector.js b/frontend-js/src/main/js/ServerConnector.js
index 3a30c7bc397d117022d86dc696f41816be8adeea..dff12e596fa6ee78124433336faf890e7f987d44 100644
--- a/frontend-js/src/main/js/ServerConnector.js
+++ b/frontend-js/src/main/js/ServerConnector.js
@@ -1701,6 +1701,19 @@ ServerConnector.getChemicalNamesByTarget = function (params) {
   });
 };
 
+/**
+ *
+ * @param {Object} params
+ * @param {number} params.modelId
+ * @param {string} params.name
+ * @param {string} params.email
+ * @param {string} params.content
+ * @param {boolean} params.pinned
+ * @param {string} params.coordinates
+ * @param {number} [params.elementId]
+ * @param {number} [params.elementType]
+ * @returns {PromiseLike<Comment>}
+ */
 ServerConnector.addComment = function (params) {
   var self = this;
   var queryParams = {
@@ -1720,6 +1733,7 @@ ServerConnector.addComment = function (params) {
   delete filterParams.modelId;
   return self.getProjectId(params.projectId).then(function (result) {
     queryParams.projectId = result;
+    console.log(self.addCommentUrl(queryParams));
     return self.sendPostRequest(self.addCommentUrl(queryParams), filterParams);
   }).then(function (content) {
     var response = JSON.parse(content);
diff --git a/frontend-js/src/main/js/gui/CommentDialog.js b/frontend-js/src/main/js/gui/CommentDialog.js
index 53432445b7288bad452cabdbed4a677c60e8507c..4cfd4d4cd8b5f561cff3597d26997d3f7b32a57c 100644
--- a/frontend-js/src/main/js/gui/CommentDialog.js
+++ b/frontend-js/src/main/js/gui/CommentDialog.js
@@ -282,6 +282,10 @@ CommentDialog.prototype.getSelectedTypeClass = function () {
   }
 };
 
+/**
+ *
+ * @returns {Promise}
+ */
 CommentDialog.prototype.addComment = function () {
   var self = this;
   var name = self.getName();
@@ -296,7 +300,12 @@ CommentDialog.prototype.addComment = function () {
     elementType: self.getSelectedTypeClass()
 
   }).then(function (comment) {
-    return self.getMap().getOverlayByName("comment").addComment(comment);
+    //if we visualize comments add it to data set
+    if (self.getMap().getServerConnector().getSessionData(self.getProject()).getShowComments() && comment.isPinned()) {
+      return self.getMap().getOverlayByName("comment").addComment(comment);
+    } else {
+      return [];
+    }
   });
 };
 
diff --git a/frontend-js/src/test/js/map/CustomMap-test.js b/frontend-js/src/test/js/map/CustomMap-test.js
index 8466edd30188423713142dcbada7f42d74a80c65..9c8cf3654a232c44fa8853d325fd2631a9d73fda 100644
--- a/frontend-js/src/test/js/map/CustomMap-test.js
+++ b/frontend-js/src/test/js/map/CustomMap-test.js
@@ -733,35 +733,55 @@ describe('CustomMap', function () {
     });
   });
 
-  it("addComment", function () {
-    var map;
-    return ServerConnector.getProject().then(function (project) {
-      map = helper.createCustomMap(project);
-      helper.createCommentDbOverlay(map);
-      map.setActiveSubmapId(map.getId());
-      map.setActiveSubmapClickCoordinates(new Point(2, 12));
-      return map.openCommentDialog();
-    }).then(function () {
-      return map.getCommentDialog().addComment();
-    }).then(function () {
-      map.getCommentDialog().destroy();
+  describe("addComment", function () {
+    it("default", function () {
+      var map;
+      return ServerConnector.getProject().then(function (project) {
+        map = helper.createCustomMap(project);
+        helper.createCommentDbOverlay(map);
+        map.setActiveSubmapId(map.getId());
+        map.setActiveSubmapClickCoordinates(new Point(2, 12));
+        return map.openCommentDialog();
+      }).then(function () {
+        return map.getCommentDialog().addComment();
+      }).then(function (comments) {
+        assert.equal(0, comments.length);
+        map.getCommentDialog().destroy();
+      });
     });
-  });
 
-  it("addComment for protein", function () {
-    var map;
-    return ServerConnector.getProject().then(function (project) {
-      map = helper.createCustomMap(project);
-      helper.createCommentDbOverlay(map);
-      map.setActiveSubmapId(map.getId());
-      map.setActiveSubmapClickCoordinates(new Point(2, 12));
-      return map.openCommentDialog();
-    }).then(function () {
-      var dialog = map.getCommentDialog();
-      dialog.setSelectedType(1);
-      return dialog.addComment();
-    }).then(function () {
-      map.getCommentDialog().destroy();
+    it("when comments are visible", function () {
+      var map;
+      return ServerConnector.getProject().then(function (project) {
+        map = helper.createCustomMap(project);
+        helper.createCommentDbOverlay(map);
+        map.setActiveSubmapId(map.getId());
+        map.setActiveSubmapClickCoordinates(new Point(2, 12));
+        return map.openCommentDialog();
+      }).then(function () {
+        ServerConnector.getSessionData().setShowComments(true);
+        return map.getCommentDialog().addComment();
+      }).then(function (comments) {
+        assert.ok(comments.length > 0);
+        map.getCommentDialog().destroy();
+      });
+    });
+
+    it("add for protein", function () {
+      var map;
+      return ServerConnector.getProject().then(function (project) {
+        map = helper.createCustomMap(project);
+        helper.createCommentDbOverlay(map);
+        map.setActiveSubmapId(map.getId());
+        map.setActiveSubmapClickCoordinates(new Point(2, 12));
+        return map.openCommentDialog();
+      }).then(function () {
+        var dialog = map.getCommentDialog();
+        dialog.setSelectedType(1);
+        return dialog.addComment();
+      }).then(function () {
+        map.getCommentDialog().destroy();
+      });
     });
   });
 
diff --git a/frontend-js/testFiles/apiCalls/projects/sample/comments/models/15781/points/2.00,12.00/POST_pinned=true&token=MOCK_TOKEN_ID& b/frontend-js/testFiles/apiCalls/projects/sample/comments/models/15781/points/2.00,12.00/POST_pinned=true&token=MOCK_TOKEN_ID&
index 0304edbc07ecbda7ef2003114a21eef359dc1a86..ed547b70b381c66e6de2914a343d506db0c4d80b 100644
--- a/frontend-js/testFiles/apiCalls/projects/sample/comments/models/15781/points/2.00,12.00/POST_pinned=true&token=MOCK_TOKEN_ID&
+++ b/frontend-js/testFiles/apiCalls/projects/sample/comments/models/15781/points/2.00,12.00/POST_pinned=true&token=MOCK_TOKEN_ID&
@@ -1 +1 @@
-{"elementId":"(216.65,370.00)","coord":{"x":216.65,"y":370.0},"removed":false,"modelId":15781,"icon":"icons/comment.png","id":4671,"title":"Comment (coord: 2.00,12.00)","type":"POINT","content":""}
\ No newline at end of file
+{"elementId":"(216.65,370.00)","coord":{"x":2.0,"y":12.0},"removed":false,"modelId":15781,"icon":"icons/comment.png","id":4671,"title":"Comment (coord: 2.00,12.00)","type":"POINT","content":"", "pinned":true}
\ No newline at end of file