diff --git a/jquery.sticky-kit.js b/jquery.sticky-kit.js
index e98c9a4..5efd9ee 100644
--- a/jquery.sticky-kit.js
+++ b/jquery.sticky-kit.js
@@ -99,7 +99,7 @@
         if (spacer) {
           spacer.css({
             width: outer_width(elm),
-            height: height,
+            height: elm.parent().outerHeight(true),
             display: elm.css("display"),
             "vertical-align": elm.css("vertical-align"),
             "float": el_float