diff --git a/lib/components/MapView.js b/lib/components/MapView.js
index e3763f8f3b..f9b974aecb 100644
--- a/lib/components/MapView.js
+++ b/lib/components/MapView.js
@@ -450,7 +450,7 @@ class MapView extends React.Component {
     if (region) {
       this.map.setNativeProps({ region });
     } else if (initialRegion) {
-      this.map.setNativeProps({ region: initialRegion });
+      this.map.setNativeProps({ initialRegion });
     }
     this._updateStyle();
     this.setState({ isReady: true }, () => {