diff --git a/css/font-awesome.css b/css/font-awesome.css
index 7f5f3c1fb..f8605b3c7 100644
--- a/css/font-awesome.css
+++ b/css/font-awesome.css
@@ -195,6 +195,7 @@
 .fa-stack-1x,
 .fa-stack-2x {
   position: absolute;
+  left: 0;
   width: 100%;
   text-align: center;
 }
diff --git a/css/font-awesome.min.css b/css/font-awesome.min.css
index 449b7f98d..a523619fe 100644
--- a/css/font-awesome.min.css
+++ b/css/font-awesome.min.css
@@ -19,7 +19,7 @@
 .fa-flip-horizontal{filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=1);-webkit-transform:scale(-1, 1);-moz-transform:scale(-1, 1);-ms-transform:scale(-1, 1);-o-transform:scale(-1, 1);transform:scale(-1, 1)}
 .fa-flip-vertical{filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1);-webkit-transform:scale(1, -1);-moz-transform:scale(1, -1);-ms-transform:scale(1, -1);-o-transform:scale(1, -1);transform:scale(1, -1)}
 .fa-stack{position:relative;display:inline-block;width:2em;height:2em;line-height:2em;vertical-align:middle}
-.fa-stack-1x,.fa-stack-2x{position:absolute;width:100%;text-align:center}
+.fa-stack-1x,.fa-stack-2x{position:absolute;left:0;width:100%;text-align:center}
 .fa-stack-1x{line-height:inherit}
 .fa-stack-2x{font-size:2em}
 .fa-inverse{color:#fff}
diff --git a/less/stacked.less b/less/stacked.less
index 0edef7037..fc53fb0e7 100644
--- a/less/stacked.less
+++ b/less/stacked.less
@@ -11,6 +11,7 @@
 }
 .@{fa-css-prefix}-stack-1x, .@{fa-css-prefix}-stack-2x {
   position: absolute;
+  left: 0;
   width: 100%;
   text-align: center;
 }
diff --git a/scss/_stacked.scss b/scss/_stacked.scss
index 93a1b2720..aef740366 100644
--- a/scss/_stacked.scss
+++ b/scss/_stacked.scss
@@ -11,6 +11,7 @@
 }
 .#{$fa-css-prefix}-stack-1x, .#{$fa-css-prefix}-stack-2x {
   position: absolute;
+  left: 0;
   width: 100%;
   text-align: center;
 }
diff --git a/src/_includes/tests/stacked.html b/src/_includes/tests/stacked.html
index 2f8bd0fae..9a2ebb88a 100644
--- a/src/_includes/tests/stacked.html
+++ b/src/_includes/tests/stacked.html
@@ -1,3 +1,10 @@
+<span style="border: solid 1px #d3d3d3; display: inline-block; text-align: center">
+  <span class="fa-stack">
+    <i class="fa fa-square fa-stack-2x"></i>
+    <i class="fa fa-twitter fa-stack-1x fa-inverse"></i>
+  </span><br>Center
+</span>
+<hr>
 <p>
   <span class="fa-stack">
     <i class="fa fa-square fa-stack-2x"></i>
diff --git a/src/assets/font-awesome/less/stacked.less b/src/assets/font-awesome/less/stacked.less
index 4ca04e683..2a1e4189b 100644
--- a/src/assets/font-awesome/less/stacked.less
+++ b/src/assets/font-awesome/less/stacked.less
@@ -14,6 +14,7 @@
 }
 .@{fa-css-prefix}-stack-1x, .@{fa-css-prefix}-stack-2x {
   position: absolute;
+  left: 0;
   width: 100%;
   text-align: center;
 }
diff --git a/src/assets/font-awesome/scss/_stacked.scss b/src/assets/font-awesome/scss/_stacked.scss
index eb7a12bd7..01c9443be 100644
--- a/src/assets/font-awesome/scss/_stacked.scss
+++ b/src/assets/font-awesome/scss/_stacked.scss
@@ -14,6 +14,7 @@
 }
 .#{$fa-css-prefix}-stack-1x, .#{$fa-css-prefix}-stack-2x {
   position: absolute;
+  left: 0;
   width: 100%;
   text-align: center;
 }