diff --git a/dev/js/spec/hintSpec.js b/dev/js/spec/hintSpec.js
index f45496c..79726f3 100644
--- a/dev/js/spec/hintSpec.js
+++ b/dev/js/spec/hintSpec.js
@@ -61,7 +61,7 @@
   describe('KorAP.InputField', function () {
     beforeAll(beforeAllFunc);
     afterAll(afterAllFunc);
-    var input;
+    let input;
 
     beforeEach(function () {
       input = document.createElement("input");
diff --git a/dev/js/src/hint/input.js b/dev/js/src/hint/input.js
index 67d01f8..120a953 100644
--- a/dev/js/src/hint/input.js
+++ b/dev/js/src/hint/input.js
@@ -116,10 +116,10 @@
 
     // Reset position
     var mirrorStyle = this._mirror.style;
-    mirrorStyle.left = inputClientRect.left + "px";
-    mirrorStyle.top  = (inputClientRect.bottom - bodyClientRect.top) + "px";
+    mirrorStyle.left = parseInt(inputClientRect.left) + "px";
+    mirrorStyle.top  = parseInt(inputClientRect.bottom - bodyClientRect.top) + "px";
     mirrorStyle.width = inputStyle.getPropertyValue("width");
-    
+
     // These may be relevant in case of media depending css
     mirrorStyle.paddingLeft     = inputStyle.getPropertyValue("padding-left");
     mirrorStyle.marginLeft      = inputStyle.getPropertyValue("margin-left");