diff --git a/src/Tinter.js b/src/Tinter.js
index 3e7949b65d..3612be5b10 100644
--- a/src/Tinter.js
+++ b/src/Tinter.js
@@ -63,6 +63,7 @@ var cssAttrs = [
     "backgroundColor",
     "borderColor",
     "borderTopColor",
+    "borderBottomColor",
 ];
 
 var svgAttrs = [