diff --git a/README.md b/README.md
index 01c665c..f016b8a 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ A smooth 3D tilt javascript library forked from [Tilt.js (jQuery version)](https
     scale:             1,      // 2 = 200%, 1.5 = 150%, etc..
     speed:             300,    // Speed of the enter/exit transition
     transition:        true,   // Set a transition on enter/exit.
-    axis:              null,   // What axis should be disabled. Can be X or Y.
+    axis:              null,   // What axis should be disabled. Can be 'x' or 'y'.
     reset:             true    // If the tilt effect has to be reset on exit.
     easing:            "cubic-bezier(.03,.98,.52,.99)",    // Easing on enter/exit.
     glare:             false   // if it should have a "glare" effect
diff --git a/dist/vanilla-tilt.babel.js b/dist/vanilla-tilt.babel.js
index 7c05991..01dd079 100644
--- a/dist/vanilla-tilt.babel.js
+++ b/dist/vanilla-tilt.babel.js
@@ -155,7 +155,7 @@ var VanillaTilt = function () {
   VanillaTilt.prototype.update = function update() {
     var values = this.getValues();
 
-    this.element.style.transform = "perspective(" + this.settings.perspective + "px) " + "rotateX(" + (this.settings.axis === "x" ? 0 : values.tiltY) + "deg) " + "rotateY(" + (this.settings.axis === "y" ? 0 : values.tiltX) + "deg) " + "scale3d(" + this.settings.scale + ", " + this.settings.scale + ", " + this.settings.scale + ")";
+    this.element.style.transform = "perspective(" + this.settings.perspective + "px) " + "rotateX(" + (this.settings.axis === "y" ? 0 : values.tiltY) + "deg) " + "rotateY(" + (this.settings.axis === "x" ? 0 : values.tiltX) + "deg) " + "scale3d(" + this.settings.scale + ", " + this.settings.scale + ", " + this.settings.scale + ")";
 
     if (this.glare) {
       this.glareElement.style.transform = "rotate(" + values.angle + "deg) translate(-50%, -50%)";
diff --git a/dist/vanilla-tilt.js b/dist/vanilla-tilt.js
index e17462f..b08c135 100644
--- a/dist/vanilla-tilt.js
+++ b/dist/vanilla-tilt.js
@@ -148,8 +148,8 @@ class VanillaTilt {
     let values = this.getValues();
 
     this.element.style.transform = "perspective(" + this.settings.perspective + "px) " +
-      "rotateX(" + (this.settings.axis === "x" ? 0 : values.tiltY) + "deg) " +
-      "rotateY(" + (this.settings.axis === "y" ? 0 : values.tiltX) + "deg) " +
+      "rotateX(" + (this.settings.axis === "y" ? 0 : values.tiltY) + "deg) " +
+      "rotateY(" + (this.settings.axis === "x" ? 0 : values.tiltX) + "deg) " +
       "scale3d(" + this.settings.scale + ", " + this.settings.scale + ", " + this.settings.scale + ")";
 
     if (this.glare) {
diff --git a/lib/vanilla-tilt.es2015.js b/lib/vanilla-tilt.es2015.js
index e392872..9c4a1fd 100644
--- a/lib/vanilla-tilt.es2015.js
+++ b/lib/vanilla-tilt.es2015.js
@@ -145,8 +145,8 @@ class VanillaTilt {
     let values = this.getValues();
 
     this.element.style.transform = "perspective(" + this.settings.perspective + "px) " +
-      "rotateX(" + (this.settings.axis === "x" ? 0 : values.tiltY) + "deg) " +
-      "rotateY(" + (this.settings.axis === "y" ? 0 : values.tiltX) + "deg) " +
+      "rotateX(" + (this.settings.axis === "y" ? 0 : values.tiltY) + "deg) " +
+      "rotateY(" + (this.settings.axis === "x" ? 0 : values.tiltX) + "deg) " +
       "scale3d(" + this.settings.scale + ", " + this.settings.scale + ", " + this.settings.scale + ")";
 
     if (this.glare) {
diff --git a/lib/vanilla-tilt.js b/lib/vanilla-tilt.js
index 0972e7a..7308248 100644
--- a/lib/vanilla-tilt.js
+++ b/lib/vanilla-tilt.js
@@ -154,7 +154,7 @@ var VanillaTilt = function () {
   VanillaTilt.prototype.update = function update() {
     var values = this.getValues();
 
-    this.element.style.transform = "perspective(" + this.settings.perspective + "px) " + "rotateX(" + (this.settings.axis === "x" ? 0 : values.tiltY) + "deg) " + "rotateY(" + (this.settings.axis === "y" ? 0 : values.tiltX) + "deg) " + "scale3d(" + this.settings.scale + ", " + this.settings.scale + ", " + this.settings.scale + ")";
+    this.element.style.transform = "perspective(" + this.settings.perspective + "px) " + "rotateX(" + (this.settings.axis === "y" ? 0 : values.tiltY) + "deg) " + "rotateY(" + (this.settings.axis === "x" ? 0 : values.tiltX) + "deg) " + "scale3d(" + this.settings.scale + ", " + this.settings.scale + ", " + this.settings.scale + ")";
 
     if (this.glare) {
       this.glareElement.style.transform = "rotate(" + values.angle + "deg) translate(-50%, -50%)";
diff --git a/src/vanilla-tilt.js b/src/vanilla-tilt.js
index b1dc5fb..8f312cf 100644
--- a/src/vanilla-tilt.js
+++ b/src/vanilla-tilt.js
@@ -145,8 +145,8 @@ export default class VanillaTilt {
     let values = this.getValues();
 
     this.element.style.transform = "perspective(" + this.settings.perspective + "px) " +
-      "rotateX(" + (this.settings.axis === "x" ? 0 : values.tiltY) + "deg) " +
-      "rotateY(" + (this.settings.axis === "y" ? 0 : values.tiltX) + "deg) " +
+      "rotateX(" + (this.settings.axis === "y" ? 0 : values.tiltY) + "deg) " +
+      "rotateY(" + (this.settings.axis === "x" ? 0 : values.tiltX) + "deg) " +
       "scale3d(" + this.settings.scale + ", " + this.settings.scale + ", " + this.settings.scale + ")";
 
     if (this.glare) {