diff --git a/res/themes/light/css/_light.scss b/res/themes/light/css/_light.scss
index 33ae8946a4..712d905b43 100644
--- a/res/themes/light/css/_light.scss
+++ b/res/themes/light/css/_light.scss
@@ -5,9 +5,9 @@
    Arial empirically gets it right, hence prioritising Arial here. */
 /* We fall through to Twemoji for emoji rather than falling through
    to native Emoji fonts (if any) to ensure cross-browser consistency */
-$font-family: Nunito, Twemoji, 'Apple Color Emoji', 'Noto Color Emoji', Arial, Helvetica, Sans-Serif;
+$font-family: Nunito, Twemoji, 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', Arial, Helvetica, Sans-Serif;
 
-$monospace-font-family: Inconsolata, Twemoji, 'Apple Color Emoji', 'Noto Color Emoji', Courier, monospace;
+$monospace-font-family: Inconsolata, Twemoji, 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', Courier, monospace;
 
 // unified palette
 // try to use these colors when possible
diff --git a/src/utils/FontManager.js b/src/utils/FontManager.js
index fd0fcdd8de..b4123c6368 100644
--- a/src/utils/FontManager.js
+++ b/src/utils/FontManager.js
@@ -77,9 +77,12 @@ export async function fixupColorFonts() {
     }
 
     if (await isColrFontSupported()) {
-        const font = new FontFace("Twemoji",
-            `url('${require("../../res/fonts/Twemoji_Mozilla/TwemojiMozilla-colr.woff2")}')`, {});
-        document.fonts.add(font);
+        const path = `url('${require("../../res/fonts/Twemoji_Mozilla/TwemojiMozilla-colr.woff2")}')`;
+        document.fonts.add(new FontFace("Twemoji", path, {}));
+        // For at least Chrome on Windows 10, we have to explictly add extra
+        // weights for the emoji to appear in bold messages, etc.
+        document.fonts.add(new FontFace("Twemoji", path, { weight: 600 }));
+        document.fonts.add(new FontFace("Twemoji", path, { weight: 700 }));
     }
     // if not supported, the browser will fall back to one of the native fonts specified.
 }