diff --git a/flow/vnode.js b/flow/vnode.js
index 0521b33c5..c9f3b3887 100644
--- a/flow/vnode.js
+++ b/flow/vnode.js
@@ -42,7 +42,7 @@ declare interface VNodeData {
   staticClass?: string;
   class?: any;
   staticStyle?: { [key: string]: any };
-  style?: Array<Object> | Object;
+  style?: string | Array<Object> | Object;
   normalizedStyle?: Object;
   props?: { [key: string]: any };
   attrs?: { [key: string]: string };
diff --git a/types/test/vue-test.ts b/types/test/vue-test.ts
index ca04e8471..626220d0a 100644
--- a/types/test/vue-test.ts
+++ b/types/test/vue-test.ts
@@ -213,3 +213,28 @@ class Decorated extends Vue {
 
 const obj = Vue.observable({ a: 1 })
 obj.a++
+
+// VNodeData style tests.
+const ComponentWithStyleInVNodeData = Vue.extend({
+  render (h) {
+    const elementWithStyleAsString = h('div', {
+      style: 'background-color: red;'
+    });
+
+    const elementWithStyleAsObject = h('div', {
+      style: { backgroundColor: 'green' }
+    });
+
+    const elementWithStyleAsArrayOfObjects = h('div', {
+      style: [
+        { backgroundColor: 'blue' }
+      ]
+    });
+
+    return h('div', undefined, [
+      elementWithStyleAsString,
+      elementWithStyleAsObject,
+      elementWithStyleAsArrayOfObjects
+    ]);
+  }
+});
diff --git a/types/vnode.d.ts b/types/vnode.d.ts
index 62afcfeb7..dc4470ffd 100644
--- a/types/vnode.d.ts
+++ b/types/vnode.d.ts
@@ -48,7 +48,7 @@ export interface VNodeData {
   staticClass?: string;
   class?: any;
   staticStyle?: { [key: string]: any };
-  style?: object[] | object;
+  style?: string | object[] | object;
   props?: { [key: string]: any };
   attrs?: { [key: string]: any };
   domProps?: { [key: string]: any };