diff --git a/src/js/justifiedGallery.js b/src/js/justifiedGallery.js
index 13fa85bc..13619c3b 100755
--- a/src/js/justifiedGallery.js
+++ b/src/js/justifiedGallery.js
@@ -160,7 +160,7 @@ JustifiedGallery.prototype.imgFromEntry = function ($entry) {
 
 /** @returns {jQuery} the caption in the given entry */
 JustifiedGallery.prototype.captionFromEntry = function ($entry) {
-  var $caption = $entry.find('> .caption');
+  var $caption = $entry.find('> .jg-caption');
   return $caption.length === 0 ? null : $caption;
 };
 
@@ -236,7 +236,7 @@ JustifiedGallery.prototype.displayEntryCaption = function ($entry) {
       var caption = $image.attr('alt');
       if (!this.isValidCaption(caption)) caption = $entry.attr('title');
       if (this.isValidCaption(caption)) { // Create only we found something
-        $imgCaption = $('<div class="caption">' + caption + '</div>');
+        $imgCaption = $('<div class="jg-caption">' + caption + '</div>');
         $entry.append($imgCaption);
         $entry.data('jg.createdCaption', true);
       }
@@ -271,7 +271,7 @@ JustifiedGallery.prototype.isValidCaption = function (caption) {
 JustifiedGallery.prototype.onEntryMouseEnterForCaption = function (eventObject) {
   var $caption = this.captionFromEntry($(eventObject.currentTarget));
   if (this.settings.cssAnimation) {
-    $caption.addClass('caption-visible').removeClass('caption-hidden');
+    $caption.addClass('jg-caption-visible').removeClass('jg-caption-hidden');
   } else {
     $caption.stop().fadeTo(this.settings.captionSettings.animationDuration,
       this.settings.captionSettings.visibleOpacity);
@@ -287,7 +287,7 @@ JustifiedGallery.prototype.onEntryMouseEnterForCaption = function (eventObject)
 JustifiedGallery.prototype.onEntryMouseLeaveForCaption = function (eventObject) {
   var $caption = this.captionFromEntry($(eventObject.currentTarget));
   if (this.settings.cssAnimation) {
-    $caption.removeClass('caption-visible').removeClass('caption-hidden');
+    $caption.removeClass('jg-caption-visible').removeClass('jg-caption-hidden');
   } else {
     $caption.stop().fadeTo(this.settings.captionSettings.animationDuration,
       this.settings.captionSettings.nonVisibleOpacity);
diff --git a/src/less/justifiedGallery.less b/src/less/justifiedGallery.less
index 623f136d..5a9ab2b6 100644
--- a/src/less/justifiedGallery.less
+++ b/src/less/justifiedGallery.less
@@ -44,7 +44,7 @@
       .opacity(0);
     }
 
-    > .caption {
+    > .jg-caption {
       & when (@caption-initial-opacity = 0) {
         display: none;
       }
@@ -65,7 +65,7 @@
       font-family: sans-serif;
     }
 
-    > .caption.caption-visible {
+    > .jg-caption.jg-caption-visible {
       display: initial;
       .opacity(@caption-visible-opacity);
       .transition(opacity);