diff --git a/src/components/views/rooms/MessageComposer.tsx b/src/components/views/rooms/MessageComposer.tsx
index b94fcdddb1..60bc5ee641 100644
--- a/src/components/views/rooms/MessageComposer.tsx
+++ b/src/components/views/rooms/MessageComposer.tsx
@@ -415,7 +415,7 @@ class MessageComposer extends React.Component<IProps, IState> {
                     <SendWysiwygComposer key="controls_input"
                         disabled={this.state.haveRecording}
                         onChange={this.onWysiwygChange}
-                        onSend={() => this.sendMessage}
+                        onSend={this.sendMessage}
                     />,
                 );
             } else {
diff --git a/src/components/views/rooms/wysiwyg_composer/SendWysiwygComposer.tsx b/src/components/views/rooms/wysiwyg_composer/SendWysiwygComposer.tsx
index 4a7cfb65a0..2a485d9975 100644
--- a/src/components/views/rooms/wysiwyg_composer/SendWysiwygComposer.tsx
+++ b/src/components/views/rooms/wysiwyg_composer/SendWysiwygComposer.tsx
@@ -23,7 +23,7 @@ import { WysiwygComposer } from './components/WysiwygComposer';
 interface SendWysiwygComposerProps {
     disabled?: boolean;
     onChange: (content: string) => void;
-    onSend(): () => void;
+    onSend: () => void;
 }
 interface ContentProps {
     disabled: boolean;