diff --git a/AppKit/CPCompatibility.j b/AppKit/CPCompatibility.j
index 6f9c6f56f..d2fd4ca06 100644
--- a/AppKit/CPCompatibility.j
+++ b/AppKit/CPCompatibility.j
@@ -359,9 +359,21 @@ function CPBrowserCSSProperty(aProperty)
     {
         if (browserProperty.substring(0, prefix.length) == prefix)
         {
-            return prefixes[prefix] + browserProperty.substring(prefix.length).toLowerCase();
+            var browserPropertyWithoutPrefix = browserProperty.substring(prefix.length),
+                parts = browserPropertyWithoutPrefix.match(/[A-Z][a-z]+/g);
+
+            // If there were any capitalized words in the browserProperty, insert a "-" between each one
+            if (parts && parts.length > 0)
+                browserPropertyWithoutPrefix = parts.join("-");
+
+            return prefixes[prefix] + browserPropertyWithoutPrefix.toLowerCase();
         }
     }
 
+    var parts = browserProperty.match(/[A-Z][a-z]+/g);
+
+    if (parts && parts.length > 0)
+        browserProperty = parts.join("-");
+
     return browserProperty.toLowerCase();
 }