diff --git a/src/browser/ReactDOM.js b/src/browser/ReactDOM.js
index 5cd3b3517ff..32bb9e3b608 100644
--- a/src/browser/ReactDOM.js
+++ b/src/browser/ReactDOM.js
@@ -184,7 +184,8 @@ var ReactDOM = mapObject({
   rect: false,
   stop: false,
   svg: false,
-  text: false
+  text: false,
+  tspan: false
 }, createDOMComponentClass);
 
 var injection = {
diff --git a/src/browser/ui/dom/SVGDOMPropertyConfig.js b/src/browser/ui/dom/SVGDOMPropertyConfig.js
index 6bcea2bfed3..3bd327a742a 100644
--- a/src/browser/ui/dom/SVGDOMPropertyConfig.js
+++ b/src/browser/ui/dom/SVGDOMPropertyConfig.js
@@ -38,6 +38,7 @@ var SVGDOMPropertyConfig = {
     gradientUnits: MUST_USE_ATTRIBUTE,
     offset: MUST_USE_ATTRIBUTE,
     points: MUST_USE_ATTRIBUTE,
+    preserveAspectRatio: MUST_USE_ATTRIBUTE,
     r: MUST_USE_ATTRIBUTE,
     rx: MUST_USE_ATTRIBUTE,
     ry: MUST_USE_ATTRIBUTE,
@@ -45,6 +46,7 @@ var SVGDOMPropertyConfig = {
     stopColor: MUST_USE_ATTRIBUTE,
     stopOpacity: MUST_USE_ATTRIBUTE,
     stroke: MUST_USE_ATTRIBUTE,
+    strokeDasharray: MUST_USE_ATTRIBUTE,
     strokeLinecap: MUST_USE_ATTRIBUTE,
     strokeWidth: MUST_USE_ATTRIBUTE,
     textAnchor: MUST_USE_ATTRIBUTE,
@@ -61,9 +63,11 @@ var SVGDOMPropertyConfig = {
   DOMAttributeNames: {
     gradientTransform: 'gradientTransform',
     gradientUnits: 'gradientUnits',
+    preserveAspectRatio: 'preserveAspectRatio',
     spreadMethod: 'spreadMethod',
     stopColor: 'stop-color',
     stopOpacity: 'stop-opacity',
+    strokeDasharray: 'stroke-dasharray',
     strokeLinecap: 'stroke-linecap',
     strokeWidth: 'stroke-width',
     textAnchor: 'text-anchor',
diff --git a/vendor/fbtransform/transforms/xjs.js b/vendor/fbtransform/transforms/xjs.js
index 9811c45d231..acac965f87b 100644
--- a/vendor/fbtransform/transforms/xjs.js
+++ b/vendor/fbtransform/transforms/xjs.js
@@ -143,6 +143,7 @@ var knownTags = {
   title: true,
   tr: true,
   track: true,
+  tspan: true,
   u: true,
   ul: true,
   'var': true,