diff --git a/web/SWMansionIcon.react.js b/web/SWMansionIcon.react.js
--- a/web/SWMansionIcon.react.js
+++ b/web/SWMansionIcon.react.js
@@ -302,11 +302,14 @@
   +className?: string,
   +disableFill?: boolean,
   +removeInlineStyle?: boolean,
-  +style?: $Shape<CSSStyleDeclaration>,
+};
+
+const iconStyle = {
+  stroke: 'none',
 };
 
 function SWMansionIcon(props: SWMansionIconProps): React.Node {
-  return <IcomoonReact {...props} iconSet={iconSet} />;
+  return <IcomoonReact {...props} style={iconStyle} iconSet={iconSet} />;
 }
 
 export default SWMansionIcon;
diff --git a/web/chat/chat-input-bar.react.js b/web/chat/chat-input-bar.react.js
--- a/web/chat/chat-input-bar.react.js
+++ b/web/chat/chat-input-bar.react.js
@@ -65,6 +65,7 @@
   // async functions that hit server APIs
   +joinThread: (request: ClientThreadJoinRequest) => Promise<ThreadJoinPayload>,
 };
+
 class ChatInputBar extends React.PureComponent<Props> {
   textarea: ?HTMLTextAreaElement;
   multimediaInput: ?HTMLInputElement;
@@ -229,7 +230,7 @@
           <SWMansionIcon
             icon="send-2"
             size={22}
-            style={{ color: `#${this.props.threadInfo.color}` }}
+            color={`#${this.props.threadInfo.color}`}
           />
         </a>
       );
@@ -252,7 +253,7 @@
             <SWMansionIcon
               icon="image-1"
               size={22}
-              style={{ color: `#${this.props.threadInfo.color}` }}
+              color={`#${this.props.threadInfo.color}`}
               disableFill
             />
           </a>