diff --git a/src/browser/themes/shared/zen-icons/firefox.svg b/src/browser/themes/shared/zen-icons/firefox.svg
index 661019ae3..5b19e4e2e 100644
--- a/src/browser/themes/shared/zen-icons/firefox.svg
+++ b/src/browser/themes/shared/zen-icons/firefox.svg
@@ -3,6 +3,4 @@
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/.
    -->
-<svg width="16" height="16" xmlns="http://www.w3.org/2000/svg" fill="context-fill" fill-opacity="context-fill-opacity">
-  <path d="M10.39 0C8.948.788 7.987 2.025 7.767 3.66c-1.017.162-1.768.781-1.768.781s.72-.44 1.736-.511a4.04 4.04 0 0 1 3.789 2.034s-.758-.62-1.928-.468c1.315.68 1.872 2.002 1.701 3.369-.17 1.367-1.183 2.435-2.354 2.723-1.171.287-2.333.099-3.229-.61-.896-.708-1.251-1.533-1.305-2.254.213-.533.541-.812 1.1-1.092.558-.279 1.422-.283 1.572-.283s.8-.507.95-.894c-.726-.363-1.292-.65-1.696-.934-.404-.283-.492-.534-1.012-.898-.307-1.006-.021-1.955-.021-1.955s-1.043.437-1.93 1.49c0 0-.342-.338-.28-2.006-.427.155-1.366 1.004-1.947 1.92a7.277 7.277 0 0 0-.798 1.723A8.296 8.296 0 0 0-.003 8a8 8 0 0 0 16 0c0-2.256-.93-4.252-2.188-5.002 0 0 .542.932.813 2.43-.4-1.04-1.235-2.166-1.877-2.844-.643-.678-2.068-1.88-2.357-2.584z"/>
-</svg>
+<svg id="a" xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity"><path d="M14.7498,13.0913c-.0154.9253-.7896,1.6587-1.715,1.6587h-6.956c-.2705,0-.4541-.275-.3505-.5248l.0024-.0057c.4574-1.1044,1.1996-2.0362,2.1473-2.7161.1179-.0846.2601-.1284.4052-.1284h4.7793c.9416,0,1.703.7711,1.6873,1.7163Z"/><path d="M9.9212,1.25c.2705,0,.4541.275.3505.5248l-.0024.0057c-.4574,1.1044-1.1996,2.0362-2.1473,2.7161-.1179.0846-.2601.1284-.4052.1284H2.9653c-.9254,0-1.6996-.7334-1.715-1.6587-.0158-.9452.7457-1.7163,1.6873-1.7163h6.9837Z"/><path d="M2.9372,14.75c-.2152,0-.4339-.0414-.6451-.1289-.861-.3566-1.2699-1.3437-.9132-2.2047.5485-1.3241,1.3346-2.5112,2.3367-3.5283,1.0381-1.0537,2.2623-1.877,3.6387-2.4471,1.8919-.7837,3.3654-2.2571,4.149-4.149.3566-.861,1.3437-1.2698,2.2047-.9132.861.3566,1.2699,1.3437.9132,2.2047-.5485,1.3241-1.3346,2.5112-2.3367,3.5283-1.0381,1.0537-2.2623,1.877-3.6387,2.4471-1.8919.7837-3.3654,2.2571-4.149,4.149-.2691.6498-.8975,1.0421-1.5596,1.0421Z"/></svg>
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