diff --git a/plugins/ionslider/ion.rangeSlider.skinFlat.css b/plugins/ionslider/ion.rangeSlider.skinFlat.css
index 166314ec9..140371c91 100644
--- a/plugins/ionslider/ion.rangeSlider.skinFlat.css
+++ b/plugins/ionslider/ion.rangeSlider.skinFlat.css
@@ -12,7 +12,7 @@
 .irs-bar,
 .irs-bar-edge,
 .irs-slider {
-    background: url(../img/sprite-skin-flat.png) repeat-x;
+    background: url(img/sprite-skin-flat.png) repeat-x;
 }
 
 .irs {
diff --git a/plugins/ionslider/ion.rangeSlider.skinNice.css b/plugins/ionslider/ion.rangeSlider.skinNice.css
index 57b20d1e8..48f363739 100644
--- a/plugins/ionslider/ion.rangeSlider.skinNice.css
+++ b/plugins/ionslider/ion.rangeSlider.skinNice.css
@@ -12,7 +12,7 @@
 .irs-bar,
 .irs-bar-edge,
 .irs-slider {
-    background: url(../img/sprite-skin-nice.png) repeat-x;
+    background: url(img/sprite-skin-nice.png) repeat-x;
 }
 
 .irs {