diff --git a/src/AnimatedCircularProgress.js b/src/AnimatedCircularProgress.js
index c06da21..8e6238c 100644
--- a/src/AnimatedCircularProgress.js
+++ b/src/AnimatedCircularProgress.js
@@ -1,4 +1,4 @@
-import React, { PropTypes, Animated } from 'react-native';
+import React, { View, PropTypes, Animated } from 'react-native';
 import CircularProgress from './CircularProgress';
 const AnimatedProgress = Animated.createAnimatedComponent(CircularProgress);
 
@@ -47,7 +47,7 @@ export default class AnimatedCircularProgress extends React.Component {
 }
 
 AnimatedCircularProgress.propTypes = {
-  style: PropTypes.object,
+  style: View.propTypes.style,
   size: PropTypes.number.isRequired,
   fill: PropTypes.number.isRequired,
   prefill: PropTypes.number,
diff --git a/src/CircularProgress.js b/src/CircularProgress.js
index 40d0a5a..5a16f52 100644
--- a/src/CircularProgress.js
+++ b/src/CircularProgress.js
@@ -61,7 +61,7 @@ export default class CircularProgress extends React.Component {
 }
 
 CircularProgress.propTypes = {
-  style: PropTypes.object,
+  style: View.propTypes.style,
   size: PropTypes.number.isRequired,
   fill: PropTypes.number.isRequired,
   width: PropTypes.number.isRequired,