diff --git a/docs/tips/06-style-props-value-px.ko-KR.md b/docs/tips/06-style-props-value-px.ko-KR.md
index 0946bae290..5ab751bdaf 100644
--- a/docs/tips/06-style-props-value-px.ko-KR.md
+++ b/docs/tips/06-style-props-value-px.ko-KR.md
@@ -18,11 +18,15 @@ React.render(<div style={divStyle}>Hello World!</div>, mountNode);
 
 개발 하다보면 CSS 속성들이 단위 없이 그대로 유지되어야 할 때가 있을 겁니다. 아래의 프로퍼티들은 자동으로 "px"가 붙지 않는 속성 리스트 입니다:
 
+- `boxFlex`
+- `boxFlexGroup`
 - `columnCount`
 - `fillOpacity`
 - `flex`
 - `flexGrow`
+- `flexPositive`
 - `flexShrink`
+- `flexNegative`
 - `fontWeight`
 - `lineClamp`
 - `lineHeight`
@@ -30,6 +34,7 @@ React.render(<div style={divStyle}>Hello World!</div>, mountNode);
 - `order`
 - `orphans`
 - `strokeOpacity`
+- `tabSize`
 - `widows`
 - `zIndex`
 - `zoom`
diff --git a/docs/tips/06-style-props-value-px.md b/docs/tips/06-style-props-value-px.md
index 3f308cbc69..0ee7b01be7 100644
--- a/docs/tips/06-style-props-value-px.md
+++ b/docs/tips/06-style-props-value-px.md
@@ -34,6 +34,7 @@ Sometimes you _do_ want to keep the CSS properties unitless. Here's a list of pr
 - `order`
 - `orphans`
 - `strokeOpacity`
+- `tabSize`
 - `widows`
 - `zIndex`
 - `zoom`
diff --git a/src/browser/ui/dom/CSSProperty.js b/src/browser/ui/dom/CSSProperty.js
index 3dc5a40e8a..22ed826840 100644
--- a/src/browser/ui/dom/CSSProperty.js
+++ b/src/browser/ui/dom/CSSProperty.js
@@ -29,6 +29,7 @@ var isUnitlessNumber = {
   opacity: true,
   order: true,
   orphans: true,
+  tabSize: true,
   widows: true,
   zIndex: true,
   zoom: true,