diff --git a/src/compose/ComposeBox.android.js b/src/compose/ComposeBox.android.js
index ad59307a656..4abbb36014b 100644
--- a/src/compose/ComposeBox.android.js
+++ b/src/compose/ComposeBox.android.js
@@ -95,8 +95,8 @@ class ComposeBox extends PureComponent<Props, State> {
   props: Props;
   state: State;
 
-  messageInput: ?TextInput = null;
-  topicInput: ?TextInput = null;
+  messageInput: any = null;
+  topicInput: any = null;
 
   static contextTypes = {
     styles: () => null,